Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4903579 | Pressure-release valve and conduit for preventing damage to seal of hydraulic power drive unit | — | 1990-02-27 |
| 4414920 | Block for supporting the poles of equestrian fences | Peter K. Richards | 1983-11-15 |
| D270426 | Block for use in supporting the pole of an equestrian fence | Peter K. Richards | 1983-09-06 |