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Welding apparatus and method
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Patent number 6,835,910
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Issue date Dec 28, 2004
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Erico International Corporation
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Dean T. Moore
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Exothermic reactions and methods
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Patent number 6,703,578
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Issue date Mar 9, 2004
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Erico International Corporation
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Richard E. Walker
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Exothermic reactions and methods
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Patent number 6,553,911
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Issue date Apr 29, 2003
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Erico International Corporation
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Richard E. Walker
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Welding apparatus and method
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Patent number 5,145,106
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Issue date Sep 8, 1992
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Erico International Corporation
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Dean T. Moore
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR