Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250929 | Interactive overlay-driven computer display system | Keith A. Combs | 1993-10-05 |
| 5010323 | Interactive overlay driven computer display system | — | 1991-04-23 |
| D300789 | Lectern or similar article | Timothy P. Johnson, Pierre L. Crease | 1989-04-25 |