Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4787528 | Tip-proof car and filler neck | Robert S. Harris | 1988-11-29 |
| 4716920 | Roll over fuel cap | — | 1988-01-05 |
| 4678097 | Breakaway gas gap | — | 1987-07-07 |
| 4351350 | Valving assembly for a liquid-containing tank | — | 1982-09-28 |