Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443735 | Directly heated meshed cathode for electronic tubes and method of making | Vladimir N. Alexandrov, Oleg V. Filatov | 1984-04-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443735 | Directly heated meshed cathode for electronic tubes and method of making | Vladimir N. Alexandrov, Oleg V. Filatov | 1984-04-17 |