Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D486133 | Digital audio player | Richard A. Martinez | 2004-02-03 |
| 4418333 | Appliance control system | Richard J. Schwarzbach, Manley S. Keeler, Michael Chapman | 1983-11-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D486133 | Digital audio player | Richard A. Martinez | 2004-02-03 |
| 4418333 | Appliance control system | Richard J. Schwarzbach, Manley S. Keeler, Michael Chapman | 1983-11-29 |