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Donald S. Swatik
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New Baltimore, MI, US
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last 30 patents
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Patent Grant
Dual pitch impact printing mechanism and method
Patent number
4,152,981
Issue date
May 8, 1979
Computer Peripherals, Inc.
Anthony P. Sapino
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Patent Grant
Apparatus for time sharing of horizontal and vertical advance
Patent number
3,972,280
Issue date
Aug 3, 1976
Computer Peripherals, Inc.
Donald S. Swatik
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS