Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11230472 | Method and apparatus for capturing carbon dioxide and producing sulfuric acid by sodium bisulfate | Ping Ning, Bo Li, Chuan Wang, Kai Li, Xin Song +4 more | 2022-01-25 |
| 9404153 | Detection method of nucleic acid and kit and using thereof | Xingjie Liang, Hua Deng, Xiaowei Ma | 2016-08-02 |
| 6246759 | Call overflow system and method for overflowing telephone calls between telephonic switches | Daniel L. Greene, Doug Gisby | 2001-06-12 |
| 5953412 | Method and apparatus for controlling line conditioner equalizer | Laurence L. Sheets | 1999-09-14 |
| 4845746 | Echo canceller with relative feedback control | — | 1989-07-04 |