Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5183087 | Refueling vapor recovery system | Jeffrey Devall, David R. Gimby, Philip A. Shipp | 1993-02-02 |
| 4819607 | Vapor vent valve apparatus | — | 1989-04-11 |
| 4813453 | Vehicle fuel tank vapor recovery system | Patrick A. Jenkins | 1989-03-21 |
| 4529346 | Securing assembly for a threaded member | Patrick A. Jenkins, Thomas Sherwood Ruffner | 1985-07-16 |
| 4391294 | Dump delay valve | — | 1983-07-05 |
| 4310016 | Differential pressure delay valve | — | 1982-01-12 |
| 4303095 | Low-differential pressure delay valve | William Hofmann Bose, James H. Burrows | 1981-12-01 |