Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4998037 | Electron tube having electrode and insulator components with matched coefficients of expansion | Klaas Kerkhof, Werner D. P. Kauwenberg | 1991-03-05 |
CB
Cornelis Boutsma
Overall (All Time): #3,871,452 of 4,157,543Top 95%
1
Patents All Time