Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5283534 | High frequency amplifying apparatus with a collector which has a periodic amplitude variable longitudinal magnetic field therein | Roy Heppinstall | 1994-02-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5283534 | High frequency amplifying apparatus with a collector which has a periodic amplitude variable longitudinal magnetic field therein | Roy Heppinstall | 1994-02-01 |