Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6725969 | Catch device for a climbing protection system | — | 2004-04-27 |
| 6260662 | Rectractable extension for the guiding rail of a climbing guard | Thomas Keller | 2001-07-17 |
| 4706084 | Coded key-type locking system | Pierre Meyers | 1987-11-10 |
| 4625848 | Lock device | Pierre Meyers | 1986-12-02 |
| 4604605 | Safety device for manually operable code generation | Pierre Meyers | 1986-08-05 |