Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5718258 | Releasing additives into engine oil | Richard Ford | 1998-02-17 |
| 5630912 | Oil reclamation device with evaporator base and head mounted filter | — | 1997-05-20 |
| 5591330 | Oil filter containing an oil soluble thermoplastic additive material therein | — | 1997-01-07 |
| 4943352 | Oil reclamation device | Jelle P. Schoen | 1990-07-24 |