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Patent applications and USPTO patent grants for O'Neill; Sean A..The latest application filed is for "valve-in-head irrigation sprinkler with service valve".
Patent | Date |
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Valve-in-head irrigation sprinkler with service valve Grant 9,578,817 - Dunn , et al. February 28, 2 | 2017-02-28 |
Valve-in-head Irrigation Sprinkler With Service Valve App 20160106047 - Dunn; Richard M. ;   et al. | 2016-04-21 |
Valve-in head irrigation sprinkler with service valve Grant 9,169,944 - Dunn , et al. October 27, 2 | 2015-10-27 |
Swing connector for sprinkler Grant 5,242,112 - Dunn , et al. September 7, 1 | 1993-09-07 |
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