Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4612611 | Starting circuit for a parallel resonant circuit inverter | Hans Matthes | 1986-09-16 |
| 4549256 | Inverter arcing control for a parallel-resonant circuit static frequency changer | Hans Matthes | 1985-10-22 |