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Hand-held electro-discharge device
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Issue date May 15, 2012
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Perfect Point EDM Corp.
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Kenneth Gold
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Digitizing scanning apparatus
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Patent number 4,910,601
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Issue date Mar 20, 1990
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Truvel Corporation
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Richard K. Gerlach
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Hyperoptic translator system
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Patent number 4,117,265
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Issue date Sep 26, 1978
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Rengel; Richard J.
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Richard K. Gerlach
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Solar panel
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Issue date Oct 12, 1976
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CaTel Manufacturing Inc.
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Richard K. Gerlach
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F24 - HEATING RANGES VENTILATING
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