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Electrosensitive recording
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Patent number 4,857,398
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Issue date Aug 15, 1989
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Dennison Manufacturing Company
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John A. Hill
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Electrolytic printing head
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Patent number 4,539,576
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Issue date Sep 3, 1985
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International Business Machines Corporation
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Dudley A. Chance
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Controlling a multi-wire printhead
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Patent number 4,470,056
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Issue date Sep 4, 1984
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International Business Machines Corporation
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Louis V. Galetto
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Electrosensitive printing technique
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Patent number 4,463,365
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Issue date Jul 31, 1984
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Dennison Manufacturing Company
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Warren R. Pitts
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Printing apparatus
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Patent number 4,460,908
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Issue date Jul 17, 1984
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Sinclair Research Limited
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David C. Southward
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Print head actuator
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Patent number 4,397,576
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Issue date Aug 9, 1983
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International Business Machines Corporation
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John E. Drejza
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Computer input/output device
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Patent number 4,230,938
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Issue date Oct 28, 1980
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Centurion Data Corporation
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George D. Margolin
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G06 - COMPUTING CALCULATING COUNTING
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Teletypewriter
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Patent number 4,204,776
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Issue date May 27, 1980
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James C. C. Lee
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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