Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850100 | Method of making a rotor assembly | — | 1989-07-25 |
| 4844320 | Control system and method for vibration welding | Louis Paul Inzinna | 1989-07-04 |
| 4835840 | Method of making an improved disc rotor assembly | — | 1989-06-06 |
| 4801834 | Rotor assembly | — | 1989-01-31 |