Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4924133 | High-pressure discharge lamp with support structure for discharge vessel | Klaus Krämer | 1990-05-08 |
| 4837477 | High pressure discharge lamp with improved arc tube retention structure | Detlef Girod, Klaus Krämer, Ingrid Liesch | 1989-06-06 |