EXHIBIT
24


APPLIED
NANOTECH HOLDINGS, INC.


POWER OF
ATTORNEY






APPLIED
NANOTECH HOLDINGS, INC. ANNUAL REPORT ON FORM 10-K






The
undersigned, in his capacity as a director of Applied Nanotech Holdings, Inc.
(the "Company"), after reviewing the Company's Form 10-K, does hereby appoint
Douglas P. Baker, his true and lawful attorney to execute in his name, place and
stead, in his capacity as a Director of said Company, the Company's Annual
Report on Form 10-K for the fiscal year ended December 31, 2008, and all
instruments necessary or incidental in connection therewith, including all
amendments, and to file the same with the Securities and Exchange Commission.
Said attorney shall have the full power and authority to do and perform, in the
name and on behalf of the undersigned, in any and all capacities, every act
whatsoever requisite or necessary to be done in the premises, as fully and to
all intents and purposes as the undersigned might or could do in person, the
undersigned hereby ratifying and approving the acts of said
attorney.




IN
TESTIMONY WHEREOF, the undersigned has executed this instrument this 25th
day of February, 2009.




/s/
Zvi
Yaniv


Dr. Zvi
Yaniv










APPLIED
NANOTECH HOLDINGS, INC.


POWER OF
ATTORNEY






APPLIED
NANOTECH HOLDINGS, INC. ANNUAL REPORT ON FORM 10-K






The
undersigned, in his capacity as a director of Applied Nanotech Holdings, Inc.
(the "Company"), after reviewing the Company's Form 10-K, does hereby appoint
Douglas P. Baker, his true and lawful attorney to execute in his name, place and
stead, in his capacity as a Director of said Company, the Company's Annual
Report on Form 10-K for the fiscal year ended December 31, 2008, and all
instruments necessary or incidental in connection therewith, including all
amendments, and to file the same with the Securities and Exchange Commission.
Said attorney shall have the full power and authority to do and perform, in the
name and on behalf of the undersigned, in any and all capacities, every act
whatsoever requisite or necessary to be done in the premises, as fully and to
all intents and purposes as the undersigned might or could do in person, the
undersigned hereby ratifying and approving the acts of said
attorney.




IN
TESTIMONY WHEREOF, the undersigned has executed this instrument this 25th
day of February, 2009.




/s/
Robert
Ronstadt


Dr.
Robert Ronstadt








APPLIED
NANOTECH HOLDINGS, INC.


POWER OF
ATTORNEY






APPLIED
NANOTECH HOLDINGS, INC. ANNUAL REPORT ON FORM 10-K






The
undersigned, in his capacity as a director of Applied Nanotech Holdings, Inc.
(the "Company"), after reviewing the Company's Form 10-K, does hereby appoint
Douglas P. Baker, his true and lawful attorney to execute in his name, place and
stead, in his capacity as a Director of said Company, the Company's Annual
Report on Form 10-K for the fiscal year ended December 31, 2008, and all
instruments necessary or incidental in connection therewith, including all
amendments, and to file the same with the Securities and Exchange Commission.
Said attorney shall have the full power and authority to do and perform, in the
name and on behalf of the undersigned, in any and all capacities, every act
whatsoever requisite or necessary to be done in the premises, as fully and to
all intents and purposes as the undersigned might or could do in person, the
undersigned hereby ratifying and approving the acts of said
attorney.




IN
TESTIMONY WHEREOF, the undersigned has executed this instrument this 25th
day of February, 2009.




/s/
Howard G. Westerman,
Jr.


Howard G.
Westerman, Jr.







APPLIED
NANOTECH HOLDINGS, INC.
 POWER OF
ATTORNEY




APPLIED
NANOTECH HOLDINGS, INC. ANNUAL REPORT ON FORM 10-K






The
undersigned, in his capacity as a director of Applied Nanotech Holdings, Inc.
(the "Company"), after reviewing the Company's Form 10-K, does hereby appoint
Douglas P. Baker, his true and lawful attorney to execute in his name, place and
stead, in his capacity as a Director of said Company, the Company's Annual
Report on Form 10-K for the fiscal year ended December 31, 2008, and all
instruments necessary or incidental in connection therewith, including all
amendments, and to file the same with the Securities and Exchange Commission.
Said attorney shall have the full power and authority to do and perform, in the
name and on behalf of the undersigned, in any and all capacities, every act
whatsoever requisite or necessary to be done in the premises, as fully and to
all intents and purposes as the undersigned might or could do in person, the
undersigned hereby ratifying and approving the acts of said
attorney.




IN
TESTIMONY WHEREOF, the undersigned has executed this instrument this 25th
day of February, 2009.




/s/
Patrick V.
Stark


Patrick
V. Stark





APPLIED
NANOTECH HOLDINGS, INC.
 POWER OF
ATTORNEY




APPLIED
NANOTECH HOLDINGS, INC. ANNUAL REPORT ON FORM 10-K






The
undersigned, in his capacity as a director of Applied Nanotech Holdings, Inc.
(the "Company"), after reviewing the Company's Form 10-K, does hereby appoint
Douglas P. Baker, his true and lawful attorney to execute in his name, place and
stead, in his capacity as a Director of said Company, the Company's Annual
Report on Form 10-K for the fiscal year ended December 31, 2008, and all
instruments necessary or incidental in connection therewith, including all
amendments, and to file the same with the Securities and Exchange Commission.
Said attorney shall have the full power and authority to do and perform, in the
name and on behalf of the undersigned, in any and all capacities, every act
whatsoever requisite or necessary to be done in the premises, as fully and to
all intents and purposes as the undersigned might or could do in person, the
undersigned hereby ratifying and approving the acts of said
attorney.




IN
TESTIMONY WHEREOF, the undersigned has executed this instrument this 25th
day of February, 2009.




/s/
Tracy K.
Bramlett


Tracy K.
Bramlett





APPLIED
NANOTECH HOLDINGS, INC.
 POWER OF
ATTORNEY




APPLIED
NANOTECH HOLDINGS, INC. ANNUAL REPORT ON FORM 10-K






The
undersigned, in his capacity as a director of Applied Nanotech Holdings, Inc.
(the "Company"), after reviewing the Company's Form 10-K, does hereby appoint
Douglas P. Baker, his true and lawful attorney to execute in his name, place and
stead, in his capacity as a Director of said Company, the Company's Annual
Report on Form 10-K for the fiscal year ended December 31, 2008, and all
instruments necessary or incidental in connection therewith, including all
amendments, and to file the same with the Securities and Exchange Commission.
Said attorney shall have the full power and authority to do and perform, in the
name and on behalf of the undersigned, in any and all capacities, every act
whatsoever requisite or necessary to be done in the premises, as fully and to
all intents and purposes as the undersigned might or could do in person, the
undersigned hereby ratifying and approving the acts of said
attorney.




IN
TESTIMONY WHEREOF, the undersigned has executed this instrument this 25th
day of February, 2009.




/s/
Ronald J.
Berman


Ronald J.
Berman















APPLIED
NANOTECH HOLDINGS, INC.
 POWER OF
ATTORNEY


APPLIED
NANOTECH HOLDINGS, INC. ANNUAL REPORT ON FORM 10-K






The
undersigned, in his capacity as a director of Applied Nanotech Holdings, Inc.
(the "Company"), after reviewing the Company's Form 10-K, does hereby appoint
Douglas P. Baker, his true and lawful attorney to execute in his name, place and
stead, in his capacity as a Director of said Company, the Company's Annual
Report on Form 10-K for the fiscal year ended December 31, 2008, and all
instruments necessary or incidental in connection therewith, including all
amendments, and to file the same with the Securities and Exchange Commission.
Said attorney shall have the full power and authority to do and perform, in the
name and on behalf of the undersigned, in any and all capacities, every act
whatsoever requisite or necessary to be done in the premises, as fully and to
all intents and purposes as the undersigned might or could do in person, the
undersigned hereby ratifying and approving the acts of said
attorney.




IN
TESTIMONY WHEREOF, the undersigned has executed this instrument this 25th
day of February, 2009.




/s/
Clinton J.
Everton


Clinton
J. Everton