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Dual-float snap-action flush valve
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Patent number 6,962,163
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Issue date Nov 8, 2005
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George S. Cole & Associates, Incorporated
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Harry W. Edwards
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Water pressure-assisted flush valve
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Patent number 6,539,973
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Issue date Apr 1, 2003
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George S. Cole & Associates, Incorporated
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Harry W. Edwards
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Faucet valve with external cam and pinch tubes
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Patent number 5,573,037
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Issue date Nov 12, 1996
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George S. Cole & Associates, Incorporated
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George S. Cole
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pinch valve
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Patent number 5,402,823
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Issue date Apr 4, 1995
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George S. Cole & Associates, Incorporated
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George S. Cole
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...