Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6270415 | Method for bi-directional data communication in a digital game port | Robert Church, Doyle A. Nickless, Louis A. Ashford | 2001-08-07 |
| 5611731 | Video pinball machine controller having an optical accelerometer for detecting slide and tilt | Frank M. Bouton | 1997-03-18 |