Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4489643 | Safety control device for protecting hydraulically supported loads against uncontrolled lowering and lifting | Heinz Schedler | 1984-12-25 |
| 4433612 | Safety control device for protecting hydraulically held loads against uncontrolled pressure overloading | Heinz Schedler | 1984-02-28 |