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Patent applications and USPTO patent grants for HUA; Mark.The latest application filed is for "system and method for fit test and monitoring for respiratory products".
Patent | Date |
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System And Method For Fit Test And Monitoring For Respiratory Products App 20210106854 - SHEN; Jennifer ;   et al. | 2021-04-15 |
Quick coupling for self-contained breathing apparatus harness and backplate Grant 10,850,138 - Liu , et al. December 1, 2 | 2020-12-01 |
Custom-controllable Powered Respirator Face Mask App 20190275359 - SHEN; Jennifer ;   et al. | 2019-09-12 |
Quick Coupling For Self-contained Breathing Appratus Harness And Backplate App 20180339177 - Liu; Bruce ;   et al. | 2018-11-29 |
Anti-jam dispenser Grant 9,580,230 - Dai , et al. February 28, 2 | 2017-02-28 |
Anti-Jam Dispenser App 20160096675 - Dai; Tony ;   et al. | 2016-04-07 |
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