Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5050695 | Power attachment for wheelchair | — | 1991-09-24 |
| 5015237 | Pneumatic powered animal injector | Dixon G. Granstra | 1991-05-14 |
| 4290423 | Paraplegic stand having a lift mechanism | — | 1981-09-22 |