Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331358 | Vision testing system for testing the sight function of a patient | Wolfgang Grimm, Hartmut Mennicke | 1994-07-19 |
| D333312 | Anti-laser protective spectacles | Heinz-Wilhelm Paysan, Wolfgang Grimm, Hans Gaiser | 1993-02-16 |
| D330571 | Laser-protection spectacles | Heinz-Wilhelm Paysan, Wolfgang Grimm, Hans Gaiser, Heinz Gutbrod | 1992-10-27 |
| 5146623 | Safety spectacles against laser radiation | Heinz-Wilhelm Paysan, Wolfgang Grimm, Hans Gaiser, Heinz Gutbrod | 1992-09-15 |
| 4912298 | Method for producing a marking on a spectacle lens | Erwin J. Daniels | 1990-03-27 |
| 4866244 | Arrangement for machining a workpiece by means of a laser beam | Wolfgang Grimm, Heinz-Wilhelm Paysan | 1989-09-12 |
| 4703522 | Laser safety eyeglasses | Wolfgang Grimm, Heinz-Wilhelm Paysan | 1987-11-03 |
| 4619504 | Ophthalmic lens with a marking and method of producing the marking | Erwin J. Daniels, Bernd Kratzer | 1986-10-28 |
| 4545678 | Method and apparatus for testing lenses | Wolfgang Grimm | 1985-10-08 |
| 4505683 | Device for rapid demonstration of the action of phototropic objects | Wolfgang Grimm, Hubert Bammert | 1985-03-19 |