Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877996 | Electron tube with control electrode remote from anode | Dirk Van Houwelingen | 1989-10-31 |
JW
Jozephus J. M. Warringa
Overall (All Time): #3,941,031 of 4,157,543Top 95%
1
Patents All Time