Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5737831 | Piston ring apparatus | Michael R. Werling, Jerry D. Sommer | 1998-04-14 | |
| 5592740 | Piston ring method | James L. Geels | 1997-01-14 | |
| 5435056 | Piston ring apparatus | Michael R. Werling, Jerry D. Sommer | 1995-07-25 | |
| 5404629 | Piston ring apparatus | James L. Geels | 1995-04-11 | |
| 5075944 | Apparatus for compressing a retainer ring to assembly size | — | 1991-12-31 | |
| 5072505 | Method for assembling a retainer ring onto an article | — | 1991-12-17 | |
| 4982484 | Apparatus for assembling internal retainer ring having lugs into a bore | — | 1991-01-08 | |
| 4856169 | Apparatus for compressing a retainer ring to assembly size | — | 1989-08-15 | |
| 4454642 | Apparatus for compressing a retainer ring to assembly size and retainer ring compressed thereby | — | 1984-06-19 | $2,831,000 |