Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7178346 | Constant temperature refrigeration system for extensive temperature range application and control method thereof | Wen-Ruey Chang | 2007-02-20 |
| 7000412 | Constant temperature refrigeration system for extensive temperature range application and control method thereof | Wen-Ruey Chang | 2006-02-21 |