Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6552485 | Electron tube comprising a semiconductor cathode | Frederik C. Gehring, Tom Van Zutphen | 2003-04-22 |
RK
Ron Kroon
Overall (2003): #130,003 of 273,478Top 50%
1
Patents 2003