Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5453654 | Single-based high-pressure discharge lamp with a heat retention structure | Hartmuth Bastian, Achim Gosslar, Ulrich Henger | 1995-09-26 |
| 5446336 | Explosion-protected high-pressure discharge lamp | Ulrich Henger | 1995-08-29 |
| 5440196 | Dual-envelope high-pressure discharge lamp construction, and method of its manufacture | — | 1995-08-08 |