Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789731 | Computer system interface surface with coded marks | Paul Lapstun | 2004-09-14 |
| 6766945 | Computer system interface surface with sensor having identifier | Paul Lapstun | 2004-07-27 |