Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5088895 | Vacuum pumping apparatus | — | 1992-02-18 |
| 4276960 | Oil distributing means | William J. Kiefer, James M. Aumick | 1981-07-07 |
| 4262775 | Oil supply means for a machine | — | 1981-04-21 |