Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308936 | Ultrasonic pen-type data input device | Michael P. Biggs, Mark S. Knighton | 1994-05-03 |
| 4704699 | Digital film recorder, peripheral, and method for color hardcopy production | John Farina | 1987-11-03 |