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Self-inking stamping device
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Patent number 4,432,281
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Issue date Feb 21, 1984
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M & R Seal Press Co., Inc.
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Alexander C. Wall
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Self-inking stamp
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Patent number D261006
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Issue date Sep 29, 1981
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M & R Seal Press Co., Inc.
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Alexander C. Wall
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D18 - Printing and office machinery
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Embossing press
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Patent number 4,204,468
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Issue date May 27, 1980
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M & R Seal Press Co., Inc.
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Paul H. Harrison
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B44 - DECORATIVE ARTS