Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625138 | Earthquake early warning system | — | 1997-04-29 |
| 5408862 | Earthquake early warning system | — | 1995-04-25 |
| 5054228 | Polecat fishing pole holder | — | 1991-10-08 |
| 4848134 | Vehicle acceleration apparatus | — | 1989-07-18 |
| 4752152 | Vehicle security barrier | William T. Crisp, Sr. | 1988-06-21 |