Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372767 | Method for applying a stopper to a rope | Helmut Zimmermann, Klaus-Martin Uhl | 1994-12-13 |
| 4597178 | Saw chain sharpener | Hans Dolata, Werner Meyle, Wilfried Linke, Ernst Buck | 1986-07-01 |