Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354139 | Low-pressure mercury vapor discharge lamp | Willem L. Konijnendijk, Robert C. Peters | 1982-10-12 |
PW
Petrus J. M. Willemsen
Overall (1982): #38,529 of 81,411Top 50%
1
Patents 1982