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Patent applications and USPTO patent grants for Aspen; Randal S..The latest application filed is for "height adjustable meter/device pit".
Patent | Date |
---|---|
Height adjustable meter/device pit Grant 10,914,048 - Aspen February 9, 2 | 2021-02-09 |
Height Adjustable Meter/device Pit App 20190194900 - Aspen; Randal S. | 2019-06-27 |
Control apparatus for a water powered sump pump Grant 9,803,656 - Aspen , et al. October 31, 2 | 2017-10-31 |
Control Apparatus For A Water Powered Sump Pump App 20150354602 - Aspen; Randal S. ;   et al. | 2015-12-10 |
Pump control and method Grant 8,920,131 - Aspen December 30, 2 | 2014-12-30 |
Pump Control and Method App 20120148419 - Aspen; Randal S. | 2012-06-14 |
Valve controlled spraying system Grant 6,189,807 - Miller , et al. February 20, 2 | 2001-02-20 |
Control valve arrangement for spraying systems Grant 6,036,107 - Aspen , et al. March 14, 2 | 2000-03-14 |
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