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High speed shuttle printer
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Patent number 4,921,365
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Issue date May 1, 1990
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Sanders, Jr.; Royden C.
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Royden C. Sanders
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Dot matrix print head
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Patent number 4,613,242
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Issue date Sep 23, 1986
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Sanders, Jr.; Royden C.
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John L. Forsyth
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Dot matrix print head
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Patent number 4,531,848
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Issue date Jul 30, 1985
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Sanders, Jr.; Royden C.
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Royden C. Sanders
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Assembling dot matrix print heads
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Patent number 4,515,488
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Issue date May 7, 1985
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Sanders, Jr.; Royden C.
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Royden C. Sanders
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS