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Patent applications and USPTO patent grants for Zapata; Oscar.The latest application filed is for "flush fitting pipe lining system".
Patent | Date |
---|---|
Flush fitting pipe lining system Grant 9,255,452 - Zapata , et al. February 9, 2 | 2016-02-09 |
Flush Fitting Pipe Lining System App 20140333061 - Zapata; Oscar ;   et al. | 2014-11-13 |
Pipe coupling assembly and method for lined and unlined pipe Grant 7,909,368 - Zapata March 22, 2 | 2011-03-22 |
High pressure pipe liner coupling assembly and method Grant 7,857,355 - Zapata , et al. December 28, 2 | 2010-12-28 |
Pipe Coupling Assembly And Method For Lined And Unlined Pipe App 20090295146 - Zapata; Oscar | 2009-12-03 |
High Pressure Pipe Liner Coupling Assembly And Method App 20090167016 - Zapata; Oscar ;   et al. | 2009-07-02 |
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