Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5039909 | Electric lamp and holder for such a lamp | Manfred Kiesling, Werner Schlagheck | 1991-08-13 |
JR
Josef Rothkranz
Overall (All Time): #3,882,966 of 4,157,543Top 95%
1
Patents All Time