WHEREAS • .__. hill~a:.-:, F .. f:riedr.:.an, a citizen 

ot the t:n!. ted ::itata:s 

• , I 

• have invented certain improvements -ii~------------~-t1..""'""~~::TR,......,.:~wu..,..........,.s~n.,~:y,~;w:,.,,..,.~· 

.tor which the undersigned on even date heraC.th 

executed an application tor L-e~t~t-e_r_s.....,P-at~en--t ...... o~tpoo;th....-e--..Urn~l~t-e~d,....,.S~ta--..t-e-s-;-an--d..-------~ 

WHEREAS. the Government ot the United States is desirous ot acquiring 

the entire right. title and interest in and to the said invention and in 

and to a.ey patents that may issue thereona 

NOW. THEREFORE, in consideration ot the premises and one dollar ($1.00), 

the receipt of which is hereby acknowledged, the undersigned has sold, assigned and transferred, and by these presents does hereby sell, assign and 

transfer unto the Govermn.ent ot the United States ot America, as represented 

by the Secretary of War, the entire right, title and interest, throughout 

the United States ot America, and 1;he territories and dependencies thereof, 

and not elsewhere. in and to the said invention and to the invention as described in the specif'ication executed by the undersigned on even date herewith, preparatory to obtaining Letters Patent in the United States there.tor, 

and to all Letters Patent issuing thereon and any continuations. oontinuationein-part, divisions, reissues, or extensions o.t such Letters Patent; the said 

entire right, title and interest as well as the control of the proaeoution 

ot the a~plication and all continuations, contirmations-in-part, divisions, 

reissues, or extensions thereof as where are or that may be granted, to be 

held by the Government aa fully and entirely as 1;he same would have been 

held by me had this assignment and sale not been made. The undersigned hereby 

gives the Goftrnment ot the Uni'ted States of America the non-exclusi'ff right 

to make, use or aell the said invention tor governmental purpoae1 in all 

foreign countries. 

Provided, however, that upon any subaequent notice of allowance ot said . application or ot any subatitutiona, divisions, continuationa, or continuationsin-part being given by the Commissioner of Patents, or upon the declaration 

by the CommlBSioner ot Patents of an interference involving said application 

or any substitutions, divisions, continuations, or continuations-in-part, 

the entire right, title and interest in and to said invention and said application or any substitutions. divisions, continuationa, or continuation.a-inpart, and such patents as may be iaaued thereon will thereupon reTert to 

-.ve.eJ.t 

aubjeet to an irrevocable, non-exclusive, and roya1'£Y-f'ree right and 11oenae 

rem.ining vested in the United Sta tea ot America as represented by the 

Secretary ot War, to make, have uade, to uae, and to sell the subject matter 

ot said invention tor governmental purposes, to the full end ot the term or 

terms tor which any Letters Patent, divisions, reissues, extensions, continuations, or continuations-in-part are or may be granted. 

/'/ nillia= F,. Frled:::an 

witness 

Betore me, a notary Dublio in and tor the Zt. .. te o£ Virginia 

Arlin ;hen• Va appeared the above-named 

j,.illim:l !'. Fr:.oct~n per_s_o_na....,1•1-7 ... bO--wn--t""o--m.e-,-wb..-0---

in ~ presence executed the foregoing assignment and acknowledged tbat hie 

execution thereof was his tree act and deed. 

Signed at this lst. day ot Au.)1.st 

--------------------~ -------------- 19 lW. 

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?lotaey Public 

@'pproved for Release by NSA on 07-23-2014 pursuantto E.O. 1352a ..... ,,,.,ABCD-aoe