Patents

1. 4,321,485 (US). “Modular circuit to improve transistor switching time.” Assigned to Westinghouse Electric Corp. 1982
2. 57030418 (Japan). “Transistor Switching Circuit.” Assigned to Westinghouse Electric Corp. 1982
3. 6,031,457 (US) “Conductive security article and method of manufacture.”  Assigned to Flex Products, Inc. 2000
4. 2002517344T (Japan). “Conductive security article and method of manufacture.”  Assigned to Flex Products, Inc. 2002
5. 6,118,377 (US). “Conductive security article with detector apparatus.”  Assigned to Flex Products, Inc. 2000
6. 439044 (Taiwan). “Conductive security article with detector apparatus.”  Assigned to Flex Products, Inc. 2001
7. 6,741,959 (US). “Diffractive Surfaces with Color Shifting Backgrounds.” Assigned to Flex Products, Inc. 2004
8. CN1360544T (China). “Diffractive Surfaces with Color Shifting Background.” Assigned to Flex Products, Inc. 2004
9. CN1423598 (China). “Uptically Variable Security Devices” (sic). Assigned to Flex Products, Inc. 2003
10. 770682 (Australia). “Diffractive Surfaces with Color Shifting Backgrounds.” Assigned to Flex Products. 2-26-2004.
11. EP 1 198 357 B1 (Europe). Diffractive Surfaces with Color Shifting Backgrounds.” Assigned to Flex Products, Inc. 12-14-2005.
12. 7,005,178 (US). “Security Articles having Diffractive Surfaces and Color Shifting Backgrounds.” Assigned to JDS Uniphase Corp. 2-28-2006.
13. 7,029,745 (US). “Security Articles having Diffractive Surfaces and Color Shifting Backgrounds.” Assigned to JDS Uniphase. 4-18-2006
14. 10-0837593 (Korea). "Optically Variable Security Devices." Assigned to JDS Uniphase. 6-5-2008
15. 7,224,528 (US). "Optically variable security devices."  Assigned to JDS Uniphase Corp. 5-29-2007
16. 280198 (Taiwan). “Security Article having Diffractive Surface.” Assigned to Flex Products, Inc. 5-01-2007
17. 7,224,528 (US). “Optically Variable Security Devices.” Assigned to JDS Uniphase Corp. 5-29-2007
18. 7,754,112 (US). "Methods for forming security articles having diffractive surfaces and color shifting backgrounds." Assigned to JDS Uniphase Corp. 7-13-2010.
19. 2 604 093 (Canada). "Security Article with Holographic or Diffractive Pattern." 5-4-2010. Assigned to JDS Uniphase.
20. 2 378 502 (Canada). "Diffractive Surfaces with Color Shifting Backgrounds."  Assigned to JDS Uniphase Corp. 7-6-2010
21. 2 604 098 (Canada). "Optically Variable Security Devices." Assigned to JDS Uniphase. 12-21-2010
22. 2 599 246 (Canada). "Diffractive Surfaces with Color Shifting Backgrounds." 3-15-2011. Assigned to JDS Uniphase
23. 47223353 (Japan) "Diffractive Surfaces with Color Shifting Backgrounds." Assigned to JDS Uniphase Corp. 7-13-2011
    
    

    
    

Publications

• “Simplified construction of an Auto-sequential Current Source inverter.”  Westinghouse “Tech-Tip". 1981
• “A technique for increasing power transistor switching frequency.”  IEEE/IAS Conference, Chicago. 1984.  Later expanded and published in IEEE/IAS Transactions. April, 1986
• “Speeding-up Bipolars.” Machine Design.  Dec. 1984
• “Design alternatives for a 500-Ampere, 20 kilohertz transistor switch.”  IEEE/INTELEC Conference, Munich. 1985
• “Progress toward the ultimate semiconductor switch.” Powertechnics Magazine. Dec. 1986.
• “Integrating the power control function.” Siliconix Interface Magazine. Winter, 1987
• “Depletion mode MOSFETs” Siliconix Application Note LPD-18. AN-901. 1988
• “Applying MOSFETs in low voltage circuits.” Siliconix Application Note LPD-19. 1988.
• “Power Semiconductor Packages.” Powertechnics Magazine. Oct. 1989.
• “ISO-Power Module construction.” Siliconix Tech. Note. November, 1989
• “Security enhancement of holograms with interference coatings.” SPIE Photonics Conference, San Jose, CA. 1/2000
• “The New Money Crowd.” Wall Street Journal. January 19, 2001. Page A15.
• “Shooting Antennas.” Electric Radio. Issue 149. October, 2001.
• “Creating Meter & Dial Faces.” Electric Radio. Issue 160. September, 2002.
• “Optical Materials: Anti-Counterfeiting.”Article 881. Encyclopedia of Modern Optics. Elsevier Academic Press. Amsterdam, The Netherlands. ISBN 0-12-227600-0. 2004.
• “Replacing Selenium Rectifiers.” Antique Wireless Association Journal. Vol. 48. January, 2007.
• “Moneymakers.” Inside IBNS. International Bank Note Society. (Book review). January, 2007
•  "Regarding LED Lights for Boatanchors." Electric Radio. Issue 250. March, 2010
•  "A Mini Processing Oven." Electric Radio. Issue 257. October, 2010.
  

Television Appearance

“Money, Money, Money…” Discovery Magazine.  The Discovery Channel. March, 1999. A Discovery Channel documentary on the history of money and counterfeiting.


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