Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856411 | Overload release system for an axially movable bolt | Karlheinz Timtner | 1989-08-15 |
| 4809557 | Method and apparatus for measuring torque | Karlheinz Timtner, Frank Reig | 1989-03-07 |
| 4798559 | Automatic overload clutch structure | Karlheinz Timtner | 1989-01-17 |