Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309638 | Electron gun cathode support | Johannes H. T. van Roosmalen | 1982-01-05 |
FH
Franciscus C. M. De Haas
Overall (1982): #65,606 of 81,411Top 85%
1
Patents 1982