Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887489 | Bowl-mill gearing | — | 1989-12-19 |
| 4876883 | Pneumatic ring gauge | Olivier Ecoffey, Theodore H. Mueller | 1989-10-31 |
| 4856914 | Thrust bearing arrangement | — | 1989-08-15 |
| 4831785 | Wireless arrangement for controlling the speed of advance of a tool toward a workpiece | — | 1989-05-23 |