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Knife sharpener
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Patent number 5,245,789
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Issue date Sep 21, 1993
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Wen Products, Inc.
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Spencer C. Rees
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B24 - GRINDING POLISHING
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Portable workbench
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Patent number 4,415,149
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Issue date Nov 15, 1983
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Wen Products, Inc.
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Spencer C. Rees
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Electric powered wet stone
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Patent number 4,388,780
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Issue date Jun 21, 1983
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Wen Products, Inc.
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Spencer C. Rees
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B24 - GRINDING POLISHING