Macpherson, JR.; John W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Macpherson, JR.; John W..The latest application filed is for "systems and methods for treating wastewater".
- Macpherson, JR.; John W. - Bothell WA US
- Macpherson, Jr.; John W. - Cedar Crest NM
- MacPherson, Jr.; John W. - Snohomish WA
| Patent | Date |
|---|---|
| Systems And Methods For Treating Wastewater App 20130180924 - Macpherson, JR.; John W. ; et al. | 2013-07-18 |
| Floating Capillary Filter And Method App 20110198298 - Macpherson, JR.; John W. ; et al. | 2011-08-18 |
| Coagulant-enhanced pre-filtration system Grant 7,749,391 - Macpherson, Jr. July 6, 2 | 2010-07-06 |
| System for filtering liquids in a catch basin using filters in series and overflow channels Grant 5,223,154 - MacPherson, Jr. , et al. June 29, 1 | 1993-06-29 |
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