Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363014 | Snap-on cover for bobbin-wound coil assembly | Charles W. Leach, Jerry W. McElroy | 1982-12-07 |
| 4249696 | Charging circuit for battery in thermostat with battery operated timer | Robert C. Krump | 1981-02-10 |
| 4242081 | Oil burner primary control for interrupted ignition system | William B. Feero | 1980-12-30 |