Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7472561 | Air conditioning evaporator retaining apparatus | Charles David Biggers | 2009-01-06 |
| 6950606 | Air conditioning apparatus with blower and electric heater in common housing | Colby Logan, Donald E. Porterfield, Jerry L. Hensley | 2005-09-27 |