Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7459101 | Environmentally friendly alternative refrigerant for HCFC-22 | Zhikal Guo, Xinzheng Guo, Yongmei Xuan | 2008-12-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7459101 | Environmentally friendly alternative refrigerant for HCFC-22 | Zhikal Guo, Xinzheng Guo, Yongmei Xuan | 2008-12-02 |