Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4376425 | Lubricating apparatus for pumping unit engines | — | 1983-03-15 |
| 4215974 | Pumping rate control method and apparatus for internal combustion engine driven pumps | Sydney J. Keasler | 1980-08-05 |