Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4981305 | Symmetrically modular wheelchair | Walter G. Lockard, Allen J. Boris | 1991-01-01 |
| 4840390 | Symmetrically modular wheelchair | Walter G. Lockard, Allen J. Boris | 1989-06-20 |