Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971704 | System for purifying engine lubricating oil | — | 1990-11-20 |
| 4968410 | Oil recovery system | — | 1990-11-06 |
| 4758338 | Oil refiner and filter compacting system | — | 1988-07-19 |
| 4338189 | Oil reconditioning device | — | 1982-07-06 |
| D264614 | Container for an oil filter or the like | — | 1982-05-25 |
| D261520 | Two-wheeled oil refiner dolly or the like | — | 1981-10-27 |
| D261521 | Oil refiner movable carriage or the like | — | 1981-10-27 |