Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375049 | Surgery lamp | — | 1994-12-20 |
| 4937714 | Lighting system with halogen bulb | — | 1990-06-26 |
| 4910431 | Hydrogen discharge ultraviolet light source or lamp, and method of its manufacture | Horst Kremmling, Werner Schwarz, Gunter Thomas, Helmut Lochmann | 1990-03-20 |
| 4880988 | Light and weathering testing apparatus | — | 1989-11-14 |
| 4644166 | Sensor for testing light and weather resistance of samples | Walter Sturm, Helmut Becker, Werner Fritz, Ursula Eysholt | 1987-02-17 |
| 4618776 | Light and weather resistance sensing system with a sensed signal transmission channel | Walter Sturm, Helmut Becker, Werner Fritz, Ursula Eysholdt | 1986-10-21 |