Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8547188 | Filter with integrated loading capacitors | Lothar Musiol | 2013-10-01 |
| 7880562 | Balanced-output triplexer | Atsunori Okada, Tatsuya Fukunaga, Hideya Matsubara | 2011-02-01 |
| 5280808 | Air valve actuator for reciprocable machine | Daniel J. Kvinge, Marlin R. Melquist | 1994-01-25 |
| 5240390 | Air valve actuator for reciprocable machine | Daniel J. Kvinge, Marlin R. Melquist | 1993-08-31 |