| **EXHIBIT 10(a)(3)** |
|----------------------|

### **COMMERCIAL GUARANTY**

| **Principal** | **Loan Date** | **Maturity** | **Loan No** | **Call / Coll** | **Account** | **Officer** | **Initials** |
|---------------|---------------|--------------|-------------|-----------------|-------------|-------------|--------------|

| References in the shaded area are for Lender’s use only anddo not limit the applicability of this document to any particular loan oritem.  Any item above containing ” * * * ” has been omitted due to text lengthlimitations. |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| **Borrower: Guarantor:** | **HICKOK INCORPORATED  10514 DUPONT AVENUE  CLEVELAND, OH 44108-1348 SUPREME ELECTRONICS CORP. 1714 CARROLLTON AVE GREENWOOD, MS  38930** | **Lender:** | **THE HUNTINGTON NATIONALBANK  MIDDLEBURG HEIGHTS COMMERCIAL LENDING  P. 0. BOX 1558 - HZ0325  COLUMBUS, OH 43272-4195** |
|--------------------------|------------------------------------------------------------------------------------------------------------------------------------------------|-------------|--------------------------------------------------------------------------------------------------------------------------|

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| **EXHIBIT 10(a)(3) Page2** |
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### **COMMERCIAL GUARANTY (Continued)**

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disability or other defense of Borrowrer, of any other guarantor, orof any other person, or by reason of the cessation of Borrower’s liabilityfrom any cause whatsoever, other than payment in full in legal tender, ofthe Indebtedness; (D) any right to claim discharge of the Indebtedness onthe basis of unjustified impairment of any collateral for the Indebtedness;(E) any statute of limitations, if at any time any action or suit broughtby Lender against Guarantor is commenced, there is outstanding Indebtednessof Borrower to Lender which is not barred by any applicable statute of limitations;or (F) any defenses given to guarantors at law or in equity other than actualpayment and performance of the Indebtedness. If payment is made by Borrower,whether voluntarily or otherwise, or by any third party, on the Indebtednessand thereafter Lender is forced to remit the amount of that payment to Borrower’strustee in bankruptcy or to any similar person under any federal or statebankruptcy law or law for the relief of debtors, the Indebtedness shall beconsidered unpaid for the purpose of the enforcement of this Guaranty.

Guarantor further waives and agrees not to assert or claim at any timeany deductions to the amount guaranteed under this Guaranty for any claimof setoff, counterclaim, counter demand, recoupment or similar right, whethersuch claim, demand or right may be asserted by the Borrower, the Guarantor,or both.

**GUARANTOR’S UNDERSTANDING WITH RESPECT TO WAIVERS.** Guarantor warrantsand agrees that each of the waivers set forth above is made with Guarantor’sfull knowledge of its significance and consequences and that, under the circumstances,the waivers are reasonable and not contrary to public policy or law. If anysuch waiver is determined to be contrary to any applicable law or publicpolicy, such waiver shall be effective only to the extent permitted by lawor public policy.

**RIGHT OF SETOFF.** To the extent permitted by applicable law, Lenderreserves a right of setoff in all Guarantor’s accounts with Lender (whetherchecking, savings, or some other account). This includes all accounts Guarantorholds jointly with someone else and all accounts Guarantor may open in thefuture. However, this does not include any IRA or Keogh accounts, or any trustaccounts for which setoff would be prohibited by law. Guarantor authorizesLender, to the extent permitted by applicable law, to hold these funds ifthere is a default, and Lender may apply the funds in these accounts to paywhat Guarantor owes under the terms of this Guaranty.

**SUBORDINATION OF BORROWER’S DEBTS TO GUARANTOR.** Guarantor agreesthat the Indebtedness of Borrower to Lender, whether now existing or hereafter created, shall be superior to any claim that Guarantormay now have or hereafter acquire against Borrower, whether or not Borrowerbecomes insolvent. Guarantor hereby expressly subordinates any claim Guarantormay have against Borrower, upon any account whatsoever, to any claim thatLender may now or hereafter have against Borrower. In the event of insolvencyand consequent liquidation of the‘assets of Borrower, through bankruptcy,by an assignment for the benefit of creditors, by voluntary liquidation, orotherwise, the assets of Borrower applicable to the payment of the claimsof both Lender and Guarantor shall be paid to Lender and shall be first appliedby Lender to the Indebtedness of Borrower to Lender. Guarantor does herebyassign to Lender all claims which it may have or acquire against Borroweror against any assignee or trustee in bankruptcy of Borrower; provided however,that such assignment shall be effective only for the purpose of assuring toLender full payment in legal tender of the Indebtedness. If Lender so requests,any notes or credit agreements now or hereafter evidencing any debts or obligationsof Borrower to Guarantor shall be marked with a legend that the same aresubject to this Guaranty and shall be delivered to Lender. Guarantor agrees,and Lender is hereby authorized, in the name of Guarantor, from time to timeto execute and file financing statements and continuation statements andto execute such other documents and to take such other actions as Lenderdeems necessary or appropriate to perfect, preserve and enforce its rightsunder this Guaranty.

**MISCELLANEOUS PROVISIONS.** The following miscellaneous provisionsare a part of’this Guaranty:

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**Amendments.** This Guaranty, together with any Related Documents,constitutes the entire understanding and agreement of the parties as to thematters set forth in this Guaranty. No alteration of or amendment to thisGuaranty shall be effective unless given in writing and signed by the partyor parties sought to be charged or bound by the alteration or amendment.

**Attorneys’ Fees: Expenses.** Guarantor agrees to pay upon demandall of Lender’s costs and expenses, including Lender’s attorneys’ fees andLender’s legal expenses, incurred in connection with the enforcement of thisGuaranty. Lender may hire or pay someone else to help enforce this Guaranty,and Guarantor shall pay the costs and expenses of such enforcement. Costsand expenses include Lender’s attorneys’ fees and legal expenses whether ornot there is a lawsuit, including attorneys’ fees and legal expenses for bankruptcyproceedings (including efforts to modify or vacate any automatic stay orinjunction), appeals, and any anticipated post-judgment collection services.Guarantor also shall pay all court costs and such additional fees as maybe directed by the court.

**Caption Headings**. Caption headings in this Guaranty are forconvenience purposes only and are not to be interpret or define the provisionsof this Guaranty.

**Governing Law. This Guaranty will be governed by, construed andenforced in accordance with law and the laws of the State of Ohio. This Guarantyhas been accepted by Lender in the State of Ohio.****Integration.** Guarantor further agrees that Guarantor has read andfully understands the terms of this Guaranty; Guarantor has had the opportunityto be advised by Guarantor’s attorney with respect to this Guaranty; the Guarantyfully reflects Guarantor’s intentions and parol evidence is not requiredto interpret the terms of this Guaranty. Guarantor hereby indemnifies andholds Lender harmless from ail losses, claims, damages, and costs (includingLender’s attorneys’ fees) suffered or incurred.by Lender as a result of anybreach by Guarantor of the warranties, representations and agreements of thisparagraph.

**Interpretation.** In all cases where there is more than one Borroweror Guarantor, then all words used in this Guaranty in the singular shall bedeemed to have been used in the plural where the context and constructionso require; and where there is more than one Borrower named in this Guarantyor when this Guaranty is executed, by more than one Guarantor, the words “Borrower”and “Guarantor” respectively shall mean all and any one or more of them.The words “Guarantor,, ” ‘“Borrower,” and “Lender” include the heirs, successors,assigns, and transferees of each of them. If a court finds that any provisionof this Guaranty is not valid or should not be enforced, that fact by itselfwill not mean that the rest of this Guaranty will not be valid or enforced.Therefore, a court will enforce the rest of the provisions of this Guaranty even if a provision of this Guaranty may befound to be invalid or unenforceable. If any one or more of Borrower or Guarantorare corporations, partnerships, limited liability companies, or similar entities,it is not necessary for Lender to inquire into the powers of Borrower or Guarantoror of the officers, directors, partners, managers, or other agents actingor purporting to act on their behalf, and any Loan indebtedness made or createdin reliance upon the professed exercise of such powers shall be guaranteedunder this Guaranty.

**Notices.** Any notice required to be given under this Guarantyshall be given in writing, and, except for revocation notices by Guarantor,shall be effective when actually delivered, when actually received by telefacsimile(unless otherwise required by law), when deposited with a nationally recognizedovernight courier, or, if mailed, when deposited in the United States mail,as first class, certified or registered mail postage prepaid, directed tothe addresses shown near the beginning of this Guaranty. All revocation noticesby Guarantor shall be in writing and shall be effective upon delivery to Lenderas provided in the section of this Guaranty entitled “DURATION OF GUARANTY.”Any party may change its address for notices under this Guaranty by givingformal written notice to the other parties, specifying that the purpose ofthe notice is to change the party’s address. For notice purposes, Guarantoragrees to keep Lender informed at all times of Guarantor’s current address.Unless otherwise provided or required by law, if there is more than one Guarantor,any notice given by Lender to any Guarantor is deemed to be notice givento all Guarantors.

**No Waiver by Lender.** Lender shall not be deemed to have waivedany rights under this Guaranty unless such waiver is given in writing andsigned by Lender. No delay or omission on the part of Lender in exercisingany right shall operate as a waiver of such right or any other right. A waiverby Lender of a provision of this Guaranty shall not prejudice or constitutea waiver of Lender’s right otherwise to demand strict compliance with thatprovision or any other provision of this Guaranty. No prior waiver by Lender,nor any course of dealing between Lender and Guarantor, shall constitute awaiver of any of Lender’s rights or of any of Guarantor’s obligations as toany future transactions. Whenever the consent of Lender is required underthis Guaranty, the granting of such consent by Lender in any instance shallnot constitute continuing consent to subsequent instances where such consentis required and in all cases such consent may be granted or withheld in the sole discretion of Lender.

**Successors and Assigns.** Subject to any limitations statedin this Guaranty on  transfer of Guarantor’s interest, this Guaranty shallbe binding upon and inure to the benefit of the parties, their successorsand assigns.

**Waive Jury. Lender and Guarantor hereby waive the right to anyjury trial in any action, proceeding, or counterclaim brought by either Lender or Borrower against the other.**

**DEFINITIONS.** The following capitalized words and terms shallhave the following- meanings when used in this Guaranty. Unless specificallystated to the contrary, all references to dollar amounts shall mean amountsin lawful money of the United States of America. Words and terms used inthe singular shall include the pluraI,.and the plural shall include the singular,as the context may require. Words and terms not otherwise defined in thisGuaranty shall have the meanings attributed to such terms in the UniformCommercial Code:

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**Borrower**. The word “Borrower” means HICKOK INCORPORATED,and all other persons and entities signing the Note in whatever capacity.

**Guarantor.** The word “Guarantor” means each and every personor entity signing this Guaranty, including without limitation SUPREME ELECTRONICSCORP.

**Guaranty**. The word “Guaranty” means the guaranty from Guarantorto Lender, including without limitation a guaranty of all or part of the      

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| **EXHIBIT 10(a)(3) Page3** |
|----------------------------|

### **COMMERClAL GUARANTY  (Continued)**

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>                Note.**Indebtedness.** The word “Indebtedness” means Borrower’s indebtednessto Lender as more particularly described in this Guaranty.**Lender.** The word “Lender” means THE HUNTINGTON NATIONAL BANK,its successors and assigns.**Related Documents.** The words “Related Documents” mean allpromissory notes, credit agreements, loan agreements, environmental agreements,guaranties, security agreements, mortgages, deeds of trust, security deeds,collateral mortgages, and all other instruments, agreements and documents,whethernow or  hereafter existing, executed in connection with the Indebtedness.

**By: /s/  Robert L. Bauman   ROBERT L. BAUMAN,  CHAIRMAN of SUPREME ELECTRONICS CORP.**

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