Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646473 | Electric reflector lamp | Hendrik Jan Eggink | 1997-07-08 |
WF
Winand H. A. M. Friederichs
Overall (1997): #60,237 of 185,788Top 35%
1
Patents 1997