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Parallel gap welder
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Patent number 4,873,410
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Issue date Oct 10, 1989
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Aidlin Automation Corp.
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Samuel S. Aidlin
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Two station robotic welder
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Patent number 4,802,569
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Issue date Feb 7, 1989
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Aidlin Automation Corp.
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Stephen H. Aidlin
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Pneumatic engraving tool
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Patent number 3,946,491
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Issue date Mar 30, 1976
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S-P Products, Inc.
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Russell O. Bailey
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B44 - DECORATIVE ARTS