Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848524 | Telescopic appliance | Gregor Poertzgen | 1989-07-18 |
| 4830432 | Positioning device | Castor Fuhrmann, Axel Knopp, Gerd Wurges | 1989-05-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848524 | Telescopic appliance | Gregor Poertzgen | 1989-07-18 |
| 4830432 | Positioning device | Castor Fuhrmann, Axel Knopp, Gerd Wurges | 1989-05-16 |