Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886019 | Engine breather assembly with oil drain back | Thomas L. Davis | 1989-12-12 |
| D304948 | Carburetor float bowl adapter for use in oilfield pumping equipment | Thomas L. Davis | 1989-12-05 |