Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837522 | Noise reducer for microwave amplifier | Bernard Epsztein | 1989-06-06 |
| 4798993 | Electron gun for electronic tubes | Robert Duret | 1989-01-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837522 | Noise reducer for microwave amplifier | Bernard Epsztein | 1989-06-06 |
| 4798993 | Electron gun for electronic tubes | Robert Duret | 1989-01-17 |