Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5408792 | Process, block or sucker for a machine for grinding or machining the edge of eyeglass lenses and a process for grinding eyeglass lenses | — | 1995-04-25 |
| 5363597 | Eyelgass lens edging machine | Gunter Barwasser | 1994-11-15 |
| 5007977 | Method and apparatus for applying a strip to the planar contour-prepared edge of a rotating lens | — | 1991-04-16 |
| 4964239 | Machine for grinding the edges of a lens | Klaus Eickmeyer | 1990-10-23 |
| 4766699 | Apparatus for grinding the edges of lenses | Fritz Kotting, Gunther Barwasser | 1988-08-30 |