Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4940236 | Computer golf club | — | 1990-07-10 |
| 4932194 | Power operated rotary walking mower | — | 1990-06-12 |
| 4930781 | Constant resonant frequency golf club head | — | 1990-06-05 |
| 4770265 | Four wheel steering for non-articulated vehicles | — | 1988-09-13 |
| 4535730 | Rocker engine | — | 1985-08-20 |
| 4507889 | Speed loader | — | 1985-04-02 |
| 4499991 | Automated conveyor system | — | 1985-02-19 |