Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296697 | Detection circuit for maintaining constant signal transfer characteristics of a light-sensitive detector | — | 1994-03-22 |
| D344461 | Electronic programmable comfort zone thermostat | Glenn D. Foster | 1994-02-22 |
| 5181653 | Residential heating and air conditioning control system | Glenn D. Foster | 1993-01-26 |