Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4418659 | Process for preventing the pumping of a hydraulic valve clearance compensating element in valve operating mechanisms or internal combustion engines | — | 1983-12-06 |
| 4359019 | Process for preventing the pumping of a hydraulic valve clearance compensating element in valve operating mechanisms of internal combustion engines | — | 1982-11-16 |