Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5271182 | Device for opening and closing the panel of a window, door, ventilation hatch, or similar closure | Paul Greisner, Dieter Renz, Martin Langner | 1993-12-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5271182 | Device for opening and closing the panel of a window, door, ventilation hatch, or similar closure | Paul Greisner, Dieter Renz, Martin Langner | 1993-12-21 |