Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5910831 | Spectacles frame holder | Jean-Jacques Videcoq | 1999-06-08 |
| 5759084 | Grinding machine for ophthalmic glasses | Michel J. M. Lecerf | 1998-06-02 |
| 5554067 | Frame holder for prescription glasses | Michel J. M. Lecerf | 1996-09-10 |
| 5371974 | Automatic machine for grinding and bevelling ophthalmic glasses | Michel J. M. Lecerf, Jean-Louis Simon | 1994-12-13 |
| 5263285 | Device for mounting an adapter on a lens blank | Jean-Pierre M. F. Langlois | 1993-11-23 |
| 5022187 | Device for regulating the grinding weight for an ophthalmic glass grinding machine | Jean-Yves F. P. Pecot | 1991-06-11 |
| 4910925 | Device for reducing splashing of liquid in a grinding machine | Jean-Pierre M. F. Langlois | 1990-03-27 |
| 4908991 | Grinding machines | Jean-Pierre M. F. Langlois | 1990-03-20 |