Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309638 | Electron gun cathode support | Franciscus C. M. De Haas | 1982-01-05 |
JR
Johannes H. T. van Roosmalen
Overall (1982): #51,059 of 81,411Top 65%
1
Patents 1982