Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4317156 | Locking device | — | 1982-02-23 |
| 4287735 | Key assembly for coded security system | Gerd Brunken | 1981-09-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4317156 | Locking device | — | 1982-02-23 |
| 4287735 | Key assembly for coded security system | Gerd Brunken | 1981-09-08 |