Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680001 | Electric lamp with adhesion layer and interference layer | Cornelis Mulder, Cornelis Gerardus Visser | 1997-10-21 |
WS
Willibrordus Hubertus Martinus Maria Van De Spijker
Overall (1997): #58,792 of 185,788Top 35%
1
Patents 1997