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Ribbon cassette
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Patent number D310384
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Issue date Sep 4, 1990
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Smith Coronoa Corporation
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Hans W. Mueller
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D18 - Printing and office machinery
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Ribbon cassette
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Patent number D308070
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Issue date May 22, 1990
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Smith Corona Corporation
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Hans W. Mueller
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D18 - Printing and office machinery
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Printing element homing device
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Patent number 4,746,235
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Issue date May 24, 1988
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Smith Corona Corporation
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Hans W. Mueller
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Print element mounting apparatus
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Patent number 4,403,876
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Issue date Sep 13, 1983
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SCM Corporation
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Kenneth D. Vought
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Carrier locking device
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Patent number 4,403,879
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Issue date Sep 13, 1983
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SCM Corporation
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Kenneth D. Vought
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS