Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6205738 | Frame for forming a housing of a group of air-handling units | — | 2001-03-27 |
| 6065299 | Mechanism freeing an air conditioner from dripping | — | 2000-05-23 |
| 5937663 | Multipurpose heat pump system | Sih-Li Chen | 1999-08-17 |