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Patent applications and USPTO patent grants for Lanning; William W.The latest application filed is for "ball valve tertiary seal assembly and method".
Patent | Date |
---|---|
Ball valve tertiary seal assembly and method Grant 10,030,784 - Lanning July 24, 2 | 2018-07-24 |
Ball Valve Tertiary Seal Assembly And Method App 20160369901 - LANNING; WILLIAM W | 2016-12-22 |
Valve stem assembly for rotary valve and method Grant 9,010,727 - Lanning , et al. April 21, 2 | 2015-04-21 |
Valve Stem Assembly For Rotary Valve And Method App 20130292595 - LANNING; WILLIAM W. ;   et al. | 2013-11-07 |
Valve stem assembly for rotary valve and method Grant 8,490,949 - Lanning , et al. July 23, 2 | 2013-07-23 |
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