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Patent applications and USPTO patent grants for Ryon; Shawn.The latest application filed is for "system and method of determining remaining useful life of an air filter".
Patent | Date |
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System and method of determining remaining useful life of an air filter Grant 10,546,435 - Carpenter , et al. Ja | 2020-01-28 |
System And Method Of Determining Remaining Useful Life Of An Air Filter App 20190197794 - Carpenter; Richard ;   et al. | 2019-06-27 |
Air filter element and filter housing Grant 9,500,164 - Ryon , et al. November 22, 2 | 2016-11-22 |
Air Filter Element And Filter Housing App 20160061159 - RYON; Shawn ;   et al. | 2016-03-03 |
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