Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5725260 | Locking arrangement for windows, doors or the like | Dietger Frick, Werner Riedel | 1998-03-10 |
| 5636476 | Device for opening and closing a window, a door, or the like | Dietger Frick, Werner Riedel | 1997-06-10 |
| 5487238 | Device for opening and closing a window, a door, or the like | Dietger Frick, Werner Riedel | 1996-01-30 |