Hoy; Preston Yee Ming
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hoy; Preston Yee Ming.The latest application filed is for "wastewater treatment process and system".
- Hoy; Preston Yee Ming - Burnaby CA
| Patent | Date |
|---|---|
| Wastewater treatment process and system Grant 9,809,480 - Stephenson , et al. November 7, 2 | 2017-11-07 |
| Wastewater Treatment Process And System App 20150336831 - Stephenson; Robert John ; et al. | 2015-11-26 |
| Wastewater treatment process and system Grant 9,145,315 - Stephenson , et al. September 29, 2 | 2015-09-29 |
| Wastewater Treatment Process And System App 20140246369 - Stephenson; Robert John ; et al. | 2014-09-04 |
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