Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877113 | One-way clutch preventing back drive of reversible motor | — | 1989-10-31 |
| 4865165 | Electrically actuated cable | — | 1989-09-12 |
| 4850457 | Electrically actuated disc brake | — | 1989-07-25 |
| 4850459 | Electrically operated drum brake | Donald D. Johannesen | 1989-07-25 |
| 4836338 | Electrically operated disc brakes | — | 1989-06-06 |
| 4804073 | Electrically operated disc brake with back-off protector | Robert Jackson, Richard N. DeHays | 1989-02-14 |