Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363171 | Coilable rule and replacement cartridge therefor | — | 1982-12-14 |
| 4292741 | Universal level vial holder | — | 1981-10-06 |
| 4238083 | Winding drum for a flexible tape | Bernard Faivre | 1980-12-09 |
| 4226020 | Knife and blade advance and locking mechanism therefor | Michel Quenot | 1980-10-07 |
| 4189107 | Coilable rule with automatic recoil | Michel Quenot, Jean-Claude Grillier | 1980-02-19 |