Allard; Douglas
Patent Applications and Registrations
Patent applications and USPTO patent grants for Allard; Douglas.The latest application filed is for "bioretention system with high internal high flow bypass".
- Allard; Douglas - Occidental CA US
- Allard; Douglas - Santa Rosa CA
| Patent | Date |
|---|---|
| Bioretention system with high internal high flow bypass Grant 8,535,533 - Allard September 17, 2 | 2013-09-17 |
| Low profile catch basin filter Grant 7,985,335 - Allard July 26, 2 | 2011-07-26 |
| Bioretention System With High Internal High Flow Bypass App 20110147303 - Allard; Douglas | 2011-06-23 |
| Low profile catch basin filter App 20090250405 - Allard; Douglas | 2009-10-08 |
| Prefilter for water treatment Grant 6,905,599 - Allard June 14, 2 | 2005-06-14 |
| Downspout filter App 20050109693 - Allard, Douglas | 2005-05-26 |
| Prefilter for water treatment App 20040173522 - Allard, Douglas | 2004-09-09 |
| Catch basin filtration system with disposable silt/contaminant collector App 20020071722 - Allard, Douglas | 2002-06-13 |
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