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Quick connect/disconnect valve
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Patent number 6,102,062
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Issue date Aug 15, 2000
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Uniweld Products, Inc.
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David S. Pearl
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Combustion device
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Patent number 4,846,670
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Issue date Jul 11, 1989
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David S. Pearl
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Combustion device
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Patent number 4,732,559
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Issue date Mar 22, 1988
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Uniweld Products Incorporated
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David S. Pearl
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Combustion device
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Patent number 4,661,057
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Issue date Apr 28, 1987
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Uniweld Products Incorporated
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David S. Pearl
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES