Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12132841 | Non-repudiation method and system | Stephen Thompson | 2024-10-29 |
| 11146402 | Non-repudiation method and system | Stephen Thompson | 2021-10-12 |
| 9116180 | Current sensing system and method | — | 2015-08-25 |
| 8339202 | Current sensing system and method | — | 2012-12-25 |
| 5699013 | Tri-state audio differential driver | — | 1997-12-16 |
| 5263728 | Low profile wheelchair | Nathalal G. Patel, Allen W. Diedrick, Thomas J. Ruckowski, Richard J. Krupar, Tonya E. Jones | 1993-11-23 |
| 4938441 | Slide plate adjustment mechanism | Bruce R. Hannah, James Eldon, Eric J. Armstrong, Philip Campbell | 1990-07-03 |
| 4826123 | Adjustable keyboard support | Bruce R. Hannah, James Eldon, Eric J. Armstrong, Philip Campbell | 1989-05-02 |
| 4561693 | Back support tilt and seat and back support height control mechanism for a chair or the like | Alan W. Brownlie, Jeffrey D. Crawford | 1985-12-31 |
| D281845 | Towel rack | — | 1985-12-24 |