Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5538181 | Automatic room occupancy controlled fuel savings system for air conditioning/heater units | Michael L. Simmons | 1996-07-23 |
| 5382068 | Easily installed flexible barriers for vans | Michael L. Simmons | 1995-01-17 |