Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8246424 | Polishing disc for a tool for the fine machining of optically active surfaces particularly on spectacle lenses and method for its production | Peter Philipps | 2012-08-21 |
| 7455569 | Grinding and polishing machine for grinding and/or polishing workpieces to an optical quality | Holger Schäfer, Joachim Diehl | 2008-11-25 |
| 7278908 | Polishing disk for a tool for the fine machining of optically active surfaces on spectacle lenses in particular | Peter Philipps | 2007-10-09 |