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Valve operator assembly
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Patent number 11,473,694
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Issue date Oct 18, 2022
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Spears Manufacturing Co.
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Wayne Spears
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Valve operator assembly
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Patent number 11,149,874
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Issue date Oct 19, 2021
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Spears Manufacturing Co.
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Wayne Spears
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Grip lock fire sprinkler connector
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Patent number 11,105,448
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Issue date Aug 31, 2021
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Spears Manufacturing Co.
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Wayne Spears
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pipe coupling
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Patent number 9,810,359
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Issue date Nov 7, 2017
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Spears Manufacturing Co.
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Wayne Spears
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Telescoping pipe coupling
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Patent number 9,765,912
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Issue date Sep 19, 2017
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Spears Manufacturing Co.
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Wayne Spears
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pipe cap
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Patent number 9,611,970
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Issue date Apr 4, 2017
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Spears Manufacturing Co.
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Wayne Spears
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Repair coupling for piping systems
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Patent number 8,388,026
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Issue date Mar 5, 2013
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Spears Manufacturing Co.
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Wayne Spears
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Rotatable fire sprinkler fitting
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Patent number 7,458,613
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Issue date Dec 2, 2008
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Spears Manufacturing Co.
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Wayne Spears
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Union fitting replacement nut
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Patent number 6,302,446
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Issue date Oct 16, 2001
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Spears Manufacturing Co.
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Wayne Spears
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Durable plastic/metal transition fitting
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Patent number 5,437,481
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Issue date Aug 1, 1995
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Spears Manufacturing Company
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Wayne Spears
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Groove molding method
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Patent number 4,044,092
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Issue date Aug 23, 1977
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Wayne Spears
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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