Nguyen; Nhat Ha T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nguyen; Nhat Ha T..The latest application filed is for "respirator having corrugated filtering structure".
- Nguyen; Nhat Ha T. - Woodbury MN
| Patent | Date |
|---|---|
| Respirator having elastic straps having openwork structure Grant 10,653,901 - Nguyen , et al. | 2020-05-19 |
| Molded respirator having outer cover web joined to mesh Grant 10,245,537 - Angadjivand , et al. | 2019-04-02 |
| Respirator Having Corrugated Filtering Structure App 20170252590 - Angadjivand; Seyed A. ; et al. | 2017-09-07 |
| Respirator Having Elastic Straps Having Openwork Structure App 20150238783 - Nguyen; Nhat Ha T. ; et al. | 2015-08-27 |
| Splash-fluid resistant filtering face-piece respirator Grant 8,794,238 - Nguyen , et al. August 5, 2 | 2014-08-05 |
| Respiratory mask Grant D697,199 - Angadjivand , et al. January 7, 2 | 2014-01-07 |
| Filtering Face-piece Respirator Having Support Structure Injection Molded To Filtering Structure App 20130340768 - Gebrewold; Yonas ; et al. | 2013-12-26 |
| Respiratory mask Grant D695,886 - Dawson , et al. December 17, 2 | 2013-12-17 |
| Molded Respirator Having Outer Cover Web Joined To Mesh App 20130291876 - Angadjivand; Seyed A. ; et al. | 2013-11-07 |
| Respirator Having Mottled Appearance App 20130291877 - Nguyen; Nhat Ha T. ; et al. | 2013-11-07 |
| Splash-fluid Resistant Filtering Face-piece Respirator App 20120160246 - Nguyen; Nhat Ha T. ; et al. | 2012-06-28 |
| Filtering Face-piece Respirator Having An Overmolded Face Seal App 20120125341 - Gebrewold; Yonas ; et al. | 2012-05-24 |
| Filtering Face-piece Respirator Having Support Structure Injection Molded To Filtering Structure App 20120125342 - Gebrewold; Yonas ; et al. | 2012-05-24 |
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