Johnson; Damian Charles
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnson; Damian Charles.The latest application filed is for "portable personal respirator and use thereof".
- Johnson; Damian Charles - Fairlight AU
- Johnson; Damian Charles - New South Wales AU
| Patent | Date |
|---|---|
| Breathing apparatus Grant 10,786,691 - Kao , et al. September 29, 2 | 2020-09-29 |
| Portable Personal Respirator And Use Thereof App 20200282242 - VIRR; Alexander ; et al. | 2020-09-10 |
| Portable respirator Grant D872,854 - Virr , et al. Ja | 2020-01-14 |
| Filter assembly for a breathing apparatus Grant 10,188,880 - Virr , et al. Ja | 2019-01-29 |
| Filter Assembly For A Breathing Apparatus App 20180001120 - VIRR; Alexander ; et al. | 2018-01-04 |
| Breathing Apparatus App 20170361134 - VIRR; Alexander ; et al. | 2017-12-21 |
| Breathing Apparatus App 20140373846 - Kao; Dan ; et al. | 2014-12-25 |
| Meter Grant D562,168 - Johnson , et al. February 19, 2 | 2008-02-19 |
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