Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870317 | High-pressure discharge lamp having a thermal insulating member | Hans Peter Stormberg | 1989-09-26 |
HD
Horst Dannert
Overall (1989): #103,459 of 140,708Top 75%
1
Patents 1989