Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8345023 | Wireless and contactless electronic input stylus having at least one button with optical scan and programmable pointer functionality | Offie Lee Drennan, Tram Q. Le | 2013-01-01 |
| 7646379 | Wireless and contactless electronic input stylus having at least one button with optical scan and programmable pointer functionality | Offie Lee Drennan, Tram Q. Le | 2010-01-12 |