Doljack; Frank A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Doljack; Frank A..The latest application filed is for "system and method for measuring electrical characteristics of a capacitor".
- Doljack; Frank A. - Pleasanton CA
- Doljack; Frank A. - Chagrin Falls OH
| Patent | Date |
|---|---|
| Verification of authenticity of goods by use of random numbers Grant 7,283,630 - Doljack October 16, 2 | 2007-10-16 |
| System and method for measuring electrical characteristics of a capacitor Grant 7,148,697 - Doljack December 12, 2 | 2006-12-12 |
| System and method for measuring electrical characteristics of a capacitor App 20050270042 - Doljack, Frank A. | 2005-12-08 |
| Secure system for printing authenticating digital signatures Grant 6,681,214 - Doljack January 20, 2 | 2004-01-20 |
| Bar code reader Grant 6,595,422 - Doljack July 22, 2 | 2003-07-22 |
| Verification of authenticity of goods by use of random numbers Grant 6,442,276 - Doljack August 27, 2 | 2002-08-27 |
| Self-regulating electrical heater system and method Grant 5,369,247 - Doljack November 29, 1 | 1994-11-29 |
| Low emission induction heating coil Grant 5,304,767 - McGaffigan , et al. April 19, 1 | 1994-04-19 |
| Rapid heating, uniform, highly efficient griddle Grant 5,227,597 - Dickens , et al. July 13, 1 | 1993-07-13 |
| Electrical device comprising a PTC conductive polymer Grant 5,227,946 - Jacobs , et al. * July 13, 1 | 1993-07-13 |
| PTC conductive polymer compositions Grant 5,140,297 - Jacobs , et al. August 18, 1 | 1992-08-18 |
| Thermal seed for treatment of tumors Grant 5,133,710 - Carter, Jr. , et al. July 28, 1 | 1992-07-28 |
| Rapid heating, uniform, highly efficient griddle Grant 5,134,265 - Dickens , et al. July 28, 1 | 1992-07-28 |
| Method of making a PTC conductive polymer electrical device Grant 4,955,267 - Jacobs , et al. * September 11, 1 | 1990-09-11 |
| Method of making a PTC conductive polymer electrical device Grant 4,845,838 - Jacobs , et al. July 11, 1 | 1989-07-11 |
| Autoregulating multi contact induction heater Grant 4,789,767 - Doljack December 6, 1 | 1988-12-06 |
| Carbon film coated refractory fiber cloth Grant 4,722,860 - Doljack , et al. February 2, 1 | 1988-02-02 |
| PTC Circuit protection device Grant 4,542,365 - McTavish , et al. * September 17, 1 | 1985-09-17 |
| Method and apparatus for updating event information Grant 4,541,063 - Doljack September 10, 1 | 1985-09-10 |
| PTC Circuit protection device Grant 4,481,498 - McTavish , et al. November 6, 1 | 1984-11-06 |
| Protection of certain electrical systems by use of PTC device Grant 4,450,496 - Doljack , et al. May 22, 1 | 1984-05-22 |
| Signal detector circuit with gain control method Grant 4,349,883 - Doljack September 14, 1 | 1982-09-14 |
| Monitor system and method for detecting sequential events in a cyclical process Grant 4,228,513 - Doljack October 14, 1 | 1980-10-14 |
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