Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4710703 | Direction sensing system for an AC power supply and AC motor drive with such direction sensing system | Gary A. Harkiewicz | 1987-12-01 |
| 4569293 | Freight car construction | Rolf Kramer, Gunter Ahlborn, Felix Schneider, Ernst Neuser, Henry Hubsch +1 more | 1986-02-11 |
| 4427933 | Load commutated inverter gating control system and motor drive with such control system | Loren F. Stringer | 1984-01-24 |
| 4385242 | Phase line derived cosine-wave generator and gate pulse generator for thyristor control using such generator | — | 1983-05-24 |