Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5836747 | Variable volume air pump | — | 1998-11-17 |
| 5655889 | Combined variable volume air pump and peristalic pump | — | 1997-08-12 |
| 5641277 | Peristalic pump | — | 1997-06-24 |
| 5125372 | Hydraulically operated engine valve system | — | 1992-06-30 |
| 5090366 | Hydraulically operated engine valve system | — | 1992-02-25 |
| 4368785 | Well point and method of driving same | — | 1983-01-18 |
| 4213482 | Hydraulic coupler | — | 1980-07-22 |