Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6179545 | Flip-over ramp | John C. Hall | 2001-01-30 |
| 5439342 | Safety barrier/ramp actuating mechanism for wheelchair lifts | John C. Hall | 1995-08-08 |
| 5425615 | Combination folding stair and platform wheelchair lift | John C. Hall | 1995-06-20 |
| 4511171 | Wheelchair restraint | — | 1985-04-16 |