Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5573261 | Narrow manually user-propelled wheelchair | — | 1996-11-12 |
| 4683564 | Matrix switch system | Gladstone F. Young, Richard F. Green, Thomas J. Quinlan, III | 1987-07-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5573261 | Narrow manually user-propelled wheelchair | — | 1996-11-12 |
| 4683564 | Matrix switch system | Gladstone F. Young, Richard F. Green, Thomas J. Quinlan, III | 1987-07-28 |