Mathsen; Don V.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Mathsen; Don V..The latest application filed is for "gravity assisted compost reactor".
- Mathsen; Don V. - Grand Forks ND US
| Patent | Date |
|---|---|
| Gravity assisted compost reactor Grant 9,040,289 - Mathsen , et al. May 26, 2 | 2015-05-26 |
| Gravity Assisted Compost Reactor App 20140024109 - MATHSEN; DON V. ; et al. | 2014-01-23 |
| System and method of aeration for compost processes Grant 8,048,668 - Mathsen , et al. November 1, 2 | 2011-11-01 |
| Nozzle assembly for use in the treatment of waste water Grant 6,892,968 - Rindt , et al. May 17, 2 | 2005-05-17 |
| Saturation vessel for use in the treatment of waste water Grant 6,877,726 - Rindt , et al. April 12, 2 | 2005-04-12 |
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