Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6377248 | High voltage stylus for portable computer | Carl M. Stanchak | 2002-04-23 |
| 5994651 | High voltage stylus for portable computers | Carl M. Stanchak | 1999-11-30 |
| 5945639 | Cancellation of common-mode signals in digitizing tablet | William K. Petty | 1999-08-31 |
| 5828011 | High voltage stylus for portable computer | Carl M. Stanchak | 1998-10-27 |
| 5457434 | Integrated circuit oscillator with high voltage feedback network | — | 1995-10-10 |