Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5233264 | Electric incandescent lamp | Wilfried Krings, Wilfried Emunds, Hermann Muller | 1993-08-03 |
| 5206799 | Lamp/reflector unit | — | 1993-04-27 |
HT
Helmut Tiesler
Overall (All Time): #2,301,532 of 4,157,543Top 60%
2
Patents All Time