Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837477 | High pressure discharge lamp with improved arc tube retention structure | Joachim Dassler, Klaus Krämer, Ingrid Liesch | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837477 | High pressure discharge lamp with improved arc tube retention structure | Joachim Dassler, Klaus Krämer, Ingrid Liesch | 1989-06-06 |