Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5460562 | Machine for grinding ophthalmic glasses | Michel J. M. Lecere | 1995-10-24 |
| 5321915 | Machines for grinding and bevelling opthalmic lenses | Michel J. M. Lecerf | 1994-06-21 |
| 5307150 | Apparatus for automatically taking a reading of the shape and/or the profile of the inner contour of a frame rim of glasses | Michel J. M. Lecerf | 1994-04-26 |
| 5263285 | Device for mounting an adapter on a lens blank | Raynald G. M. Longuet | 1993-11-23 |
| 5161333 | Device for recalibrating a machine for grinding ophthalmic glasses | Michel J. M. Lecerf | 1992-11-10 |
| 4978254 | Tool for machining and bevelling polycarbonate ophthalmic glasses lenses using a standard grinding machine | Michel J. M. Lecerf | 1990-12-18 |
| 4910925 | Device for reducing splashing of liquid in a grinding machine | Raynald G. M. Longuet | 1990-03-27 |
| 4908991 | Grinding machines | Raynald G. M. Longuet | 1990-03-20 |
| 4829715 | Machines for grinding and bevelling ophthalmic glasses | Michel J. M. Lecerf | 1989-05-16 |
| 4737918 | Apparatus for centering and placing an adapter on an optical lens blank and for controlling a grinder | Jean C. Paimpol | 1988-04-12 |
| 4667444 | Control device for lifting-up and translating the carriage of a machine for edge trimming and beveling spectacle glasses | Bernard Verdier | 1987-05-26 |