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Multiple flame torch tip and method
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Patent number 6,471,114
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Issue date Oct 29, 2002
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Uniweld Products, Inc.
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David S. Pearl
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Multiple flame torch tip
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Patent number 6,467,703
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Issue date Oct 22, 2002
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Uniweld Products, Inc.
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David S. Pearl
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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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 5,470,226
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Issue date Nov 28, 1995
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Uniweld Products, Inc.
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David S. Pearl
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES