Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6349883 | Energy-saving occupancy-controlled heating ventilating and air-conditioning systems for timing and cycling energy within different rooms of buildings having central power units | Michael L. Simmons | 2002-02-26 |
| 6179213 | Universal accessory for timing and cycling heat, ventilation and air conditioning energy consumption and distribution systems | Michael L. Simmons | 2001-01-30 |