Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320305 | Method and voltage source for producing a smoothed voltage from three-phase current | — | 1982-03-16 |
| 4314182 | System for controlling the power of a high-voltage electron beam generator | Wolfgang Sperzel, Jurgen Petzoldt | 1982-02-02 |