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Automatic pipe welding system
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Patent number 4,283,617
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Issue date Aug 11, 1981
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Merrick Welding International, Inc.
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George J. Merrick
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Welding torch oscillation apparatus
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Patent number 4,188,525
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Issue date Feb 12, 1980
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Merrick Welding International
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George J. Merrick
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Welding torch and supporting apparatus
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Patent number 4,147,920
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Issue date Apr 3, 1979
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Merrick Welding International
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George J. Merrick
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Filler wire spool supporting apparatus
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Patent number 4,146,192
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Issue date Mar 27, 1979
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Merrick Welding International, Inc.
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George J. Merrick
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Automatic pipe welding system
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Patent number 4,145,593
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Issue date Mar 20, 1979
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Merrick Welding International, Inc.
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George J. Merrick
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR