New Issued Patents Strengthen Nano-Proprietary Ip Portfolio

August 2, 2004 – AUSTIN, TX – Austin, Texas-based Nano-Proprietary, Inc. (OTC BB: NNPP), through its subsidiary, Applied Nanotech, Inc. (ANI), today announced that three new patents were issued related to the use of electron emissions from carbon nanotubes for various applications. U.S. Patent No. 6,739,932 presents a low cost manufacturing process that can be easily implemented for field emission displays utilizing carbon nanotubes. This patent extends the current printing manufacturing technology developed by ANI to embossing techniques suitable for high volume manufacturing.

U.S. Patent No. 6,700,454 covers the use of carbon nanotubes electron emission for making integrated arrays of radio frequency sources in a single vacuum envelope. This invention is the base of the phase II SBIR grant being done in collaboration with Northrop Grumman Systems Corporation for developing traveling microwave tubes for radar applications (phased array radar).

Finally, U.S. Patent No. 6,750,461 extends the applications of electron emission from carbon nanotubes to achieving large area electron beam sources. Such sources are intended for applications in office automation equipment, ecology, homeland security and large area x-ray sources.

"These patents are very crucial to our strategy as we continue to strengthen our intellectual property base in nanotechnology and more specifically in the use of carbon nanotubes for immediate applications", said Marc Eller, Chief Executive Officer of Nano-Proprietary, Inc.

Safe Harbor Statement

This press release contains forward-looking statements that involve risks and uncertainties concerning Nano-Proprietary's business, products, and financial results. Actual results may differ materially from the results predicted. More information about potential risk factors that could affect our business, products, and financial results is included in Nano-Proprietary's annual report on Form 10-KSB for the fiscal year ended December 31, 2003, and in reports subsequently filed by Nano-Proprietary with the Securities and Exchange Commission ("SEC"). All documents are available through the SEC's Electronic Data Gathering Analysis and Retrieval System (EDGAR) at www.sec.gov or from Nano- Proprietary's web site listed below. Nano-Proprietary hereby disclaims any obligation to publicly update the information provided above, including forward-looking statements, to reflect subsequent events or circumstances.

About Nano-Proprietary, Inc.

Nano-Proprietary, Inc. is a holding company consisting of two wholly-owned operating subsidiaries. Applied Nanotech Inc. is a premier research and commercialization organization dedicated to developing applications for nanotechnology with an extremely strong position in the field of electron emission applications from carbon film/nanotubes. Electronic Billboard Technology, Inc. (EBT) possesses technology related to electronic digitized sign technology. Nano-Proprietary's website is www.nano-proprietary.com.

Company Contact:
Doug Baker
Applied Nanotech Holdings, Inc.
248.391.0612
dbaker(at)appliednanotech.net

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