Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074558 | Axial piston device having rotary displacement control | Michael L. Knussman, Cory Fisher | 2011-12-13 |
| 4638138 | High frequency inverter circuit for melting and induction heating | John Rosa | 1987-01-20 |
| 4471196 | Solid state radio frequency power generator | Chuck F. Der | 1984-09-11 |
| 4327268 | Current control system for an induction heating apparatus | — | 1982-04-27 |
| 4317979 | High current high frequency current transformer | Erwin A. Billman | 1982-03-02 |