Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9249891 | Pressure relief valve and secondary spring force containment assembly | Donald Prince | 2016-02-02 |
| 6052190 | Highly accurate three-dimensional surface digitizing system and methods | Marek Sekowski, James Hardy | 2000-04-18 |
| 5228711 | Tray assembly for wheel chairs | — | 1993-07-20 |