Vollstedt; Thomas J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Vollstedt; Thomas J..The latest application filed is for "wastewater treatment system and method".
- Vollstedt; Thomas J. - Weston WI
- Vollstedt; Thomas J. - Schofield WI
| Patent | Date |
|---|---|
| Wastewater treatment system Grant 7,678,268 - Smith , et al. March 16, 2 | 2010-03-16 |
| Wastewater Treatment System And Method App 20070209999 - Smith; Duane R. ; et al. | 2007-09-13 |
| Treatment of highly colored wastewaters Grant 5,302,288 - Meidl , et al. April 12, 1 | 1994-04-12 |
| Two-stage anaerobic/aerobic treatment process Grant 4,919,815 - Copa , et al. April 24, 1 | 1990-04-24 |
| Two-stage batch wastewater treatment Grant 4,897,196 - Copa , et al. * January 30, 1 | 1990-01-30 |
| Two-stage wastewater treatment Grant 4,810,386 - Copa , et al. March 7, 1 | 1989-03-07 |
| Filter cleaning method Grant 3,932,278 - Meidl , et al. January 13, 1 | 1976-01-13 |
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