Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12017175 | Pleated air filter with bridging filaments and continuous-contact filaments | Zhiqun Zhang, Jimmy M. Le, Glen O. Gregerson, Bryan L. Gerhardt, Philip D. Eitzman | 2024-06-25 |
| 11033763 | Respirator including polymeric netting and method of forming same | Thomas J. Xue, Seyed A. Angadjivand, Ronald W. Ausen, William J. Kopecky, Mark T. Gibson +2 more | 2021-06-15 |
| 10653901 | Respirator having elastic straps having openwork structure | Ronald W. Ausen, Thomas J. Xue, Seyed A. Angadjivand | 2020-05-19 |
| 10245537 | Molded respirator having outer cover web joined to mesh | Seyed A. Angadjivand, John M. Brandner | 2019-04-02 |
| 8794238 | Splash-fluid resistant filtering face-piece respirator | John J. Rogers | 2014-08-05 |
| 8640704 | Flat-fold filtering face-piece respirator having structural weld pattern | Scott A. Spoo, Dean R. Duffy | 2014-02-04 |
| D697199 | Respiratory mask | Seyed A. Angadjivand, Debra R. Dawson, Yonas Gebrewold | 2014-01-07 |
| D695886 | Respiratory mask | Debra R. Dawson, Seyed A. Angadjivand, Yonas Gebrewold | 2013-12-17 |