Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9816710 | Air conditioner unit and method for operating same | David William Billman | 2017-11-14 |
| 9816711 | Air conditioner unit and method for operating same | David William Billman | 2017-11-14 |
| 9784461 | Air conditioner heater control based on power supply cord parameters | David William Billman, Harold D. Moore | 2017-10-10 |