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Linespacing apparatus
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Patent number 4,365,904
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Issue date Dec 28, 1982
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SCM Corporation
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Hans W. Mueller
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Typing machine key action
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Patent number 3,981,385
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Issue date Sep 21, 1976
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SCM Corporation
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Hans W. Mueller
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Typing machine repeat key action
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Patent number 3,976,181
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Issue date Aug 24, 1976
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SCM Corporation
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Mueller Hans W.
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Typebar support
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Patent number 3,949,852
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Issue date Apr 13, 1976
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SCM Corporation
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Hans W. Mueller
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Keyboard touch control
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Patent number 3,934,696
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Issue date Jan 27, 1976
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SCM Corporation
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Hans W. Mueller
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS