Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7008188 | Shock-absorbing propeller assembly | — | 2006-03-07 |
| 6659818 | Shock-absorbing propeller assembly | — | 2003-12-09 |
| 4392264 | Combination tool for removing and replacing a nut | — | 1983-07-12 |
| 4345459 | Sensing device | Ralph A. Perry | 1982-08-24 |