Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4262045 | Cellular air bag insulation and insulator | Wu Cheng | 1981-04-14 |
| 4236382 | Separation of an aqueous solution by the improved vacuum freezing high pressure ice melting process | Sing-Wang Cheng, Wu-Cheng Cheng | 1980-12-02 |
| 4218893 | Distillative freezing process for separating volatile mixtures and apparatuses for use therein | Sing-Wang Cheng | 1980-08-26 |