Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11766638 | Ion-exchange membrane having an imprinted non-woven substrate | John H. Barber | 2023-09-26 |
| 11135551 | Ion-exchange membrane having an imprinted non-woven substrate | John H. Barber | 2021-10-05 |
| 10576424 | Ion exchange polymers and a method for making ion exchange polymers | Yan Gao, Russell James MacDonald, Kai Zhang | 2020-03-03 |
| 10486151 | Ion-exchange membrane with multi-layered support substrate | John H. Barber, Russell James MacDonald, Yongchang Zheng, Kai Zhang | 2019-11-26 |
| 10273338 | Ion exchange membranes prepared from crosslinked ion exchange polymer compositions | Kai Zhang, John H. Barber, Russell James MacDonald, Yongchang Zheng, Li May GOH +1 more | 2019-04-30 |
| 10221289 | Ion exchange membranes containing inorganic particles | Kai Zhang, John H. Barber, Russell James MacDonald, Yongchang Zheng, Li May GOH +1 more | 2019-03-05 |
| 9700850 | Ion exchange membranes containing inorganic particles | Kai Zhang, John H. Barber, Russell James MacDonald, Yongchang Zheng, Li May GOH +1 more | 2017-07-11 |
| 8023883 | Method and apparatus for controlling handoffs in a mobile system | Sean S. Lee, Kevin Lilly, Scott D. Casavant | 2011-09-20 |