Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8427451 | Multi-touch sensor apparatus and method | — | 2013-04-23 |
| 6696900 | Method for demodulating PSK modulated signals | Russell A. Stillman | 2004-02-24 |
| 5218174 | Low power cordless magnetic field digitizer with differential grid sensing and synchronous position demodulation | Donald F. Gray, James L. Rodgers, James R. Sciacero | 1993-06-08 |
| 4859814 | Noise cancellation in digitizing system and method | James R. Sciacero | 1989-08-22 |
| 4672154 | Low power, high resolution digitizing system with cordless pen/mouse | James L. Rodgers | 1987-06-09 |