Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8813744 | Anesthetic vaporizer and temperature compensation unit | Donghua Chen, Zhiwei Qiao | 2014-08-26 |
| 8448638 | Anesthetic vaporizer | Donghua Chen, Wei-Ming Wang | 2013-05-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8813744 | Anesthetic vaporizer and temperature compensation unit | Donghua Chen, Zhiwei Qiao | 2014-08-26 |
| 8448638 | Anesthetic vaporizer | Donghua Chen, Wei-Ming Wang | 2013-05-28 |