Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6377248 | High voltage stylus for portable computer | Tony S. Partow | 2002-04-23 |
| 6028491 | Crystal oscillator with controlled duty cycle | Michael J. Seymour | 2000-02-22 |
| 6005200 | Compensation of stylus signals in digitizing tablet | John S. Keck, Kevin J. Bruno, William K. Petty | 1999-12-21 |
| 5994651 | High voltage stylus for portable computers | Tony S. Partow | 1999-11-30 |
| 5949274 | High impedance bias circuit for AC signal amplifiers | — | 1999-09-07 |
| 5828011 | High voltage stylus for portable computer | Tony S. Partow | 1998-10-27 |
| 5168464 | Nonvolatile differential memory device and method | Raymond A. Turi, James P. Yakura | 1992-12-01 |
| 4920344 | Digitally compensated multiplying digital to analog converter | David L. Henderson | 1990-04-24 |
| 4779029 | Digitally compensated multiplying digital to analog converter | David L. Henderson | 1988-10-18 |