Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5493884 | Key for locking cylinders, particularly for locking systems | Manfred Hinz | 1996-02-27 |
| 5131249 | Key for a cylinder lock, especially for locking systems | Manfred Hinz | 1992-07-21 |