Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6276161 | Modular low pressure delivery vehicle air conditioning system | Terry Zeigler, William Guo | 2001-08-21 |
| 6038877 | Modular low pressure delivery vehicle air conditioning system | Terry Zeigler, William Guo | 2000-03-21 |
| 5901572 | Auxiliary heating and air conditioning system for a motor vehicle | Terry Zeigler, William Guo | 1999-05-11 |
| 5901780 | Auxiliary active heating and air conditioning system for motor vehicle applications | Terry Zeigler, William Guo, Uwe Rockenfeller, Paul Sarkasian, Lance D. Kirol | 1999-05-11 |