Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9990618 | Cash card system | Robert K. Walls, Shuan Ghaidan, Machael J. Cowen | 2018-06-05 |
| 6429507 | Electrical device including a leaded cell assembly | Stephen F. Knudtsen, Kathryn J. Teuber | 2002-08-06 |
| 4979325 | Display frame for photographs and other sheet like documents | — | 1990-12-25 |
| 4669025 | Semiconductor junction temperature emulator | Charles Barker, John T. Bartoszek | 1987-05-26 |