Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604355 | Electron tube comprising a semiconductor cathode | — | 1997-02-18 |
TZ
Tom Van Zutphen
Overall (1997): #64,615 of 185,788Top 35%
1
Patents 1997