Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5507377 | Positive engagement spring clutch for concentric rotating drives | Stuart Lindsay | 1996-04-16 |
| 5451070 | Treadle drive system with positive engagement clutch | Stuart Lindsay | 1995-09-19 |
| 5365724 | Anti-wrap device for rotating shaft | — | 1994-11-22 |