Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5723918 | Bi-directional actuator using a random direction AC motor | Tom A. Heckathorne, Edward L. Schwarz | 1998-03-03 |
| 4238184 | Flame detection system using a voltage clipper means | — | 1980-12-09 |
| 4226581 | Safe start check circuit | — | 1980-10-07 |
| 4211526 | Control system for redundant valves | — | 1980-07-08 |