Williams; Edward S. M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Williams; Edward S. M..The latest application filed is for "head top".
- Williams; Edward S. M. - Christchurch NZ
| Patent | Date |
|---|---|
| Powered air purifying respirator Grant D954,252 - Ivory , et al. June 7, 2 | 2022-06-07 |
| Head Top App 20220132970 - Gerrard; Alan J. ; et al. | 2022-05-05 |
| Supplied Air Respirator App 20210228918 - Ivory; Garth ; et al. | 2021-07-29 |
| Mounting System For Respiratory Device App 20210121719 - Ivory; Garth ; et al. | 2021-04-29 |
| Powered Air Purifying Respirator Device App 20210113860 - Hamill; William C. ; et al. | 2021-04-22 |
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