NCR Canada Ltd - NCR Canada Ltee

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4818126 Method and apparatus for thermally printing data in special fonts on documents like checksExpiredDec 14, 83Apr 04, 89[B41J]
4797837 Method and apparatus for thermal printer temperature controlExpiredApr 24, 86Jan 10, 89[G01D]
4783667 Printing of angled and curved lines using thermal dot matrix printerExpiredJul 17, 87Nov 08, 88[G01D]
4758966 Thermal printing apparatus and methodExpiredMay 05, 86Jul 19, 88[B41J, G06F, G01D]
4731524 Real time item processing apparatus using a thermal encoderExpiredOct 11, 85Mar 15, 88[G06F]
4712113 Thermal transfer ribbon mechanism and recording methodExpiredJul 17, 86Dec 08, 87[B41J, G11B, G01D]
4685141 Method and system for finding image data associated with the monetary amount on financial documentsExpiredDec 19, 83Aug 04, 87[G06K]
4665371 Character spacing circuit for controlling print hammer firingExpiredJul 18, 86May 12, 87[H03K, B41L, B41F]
4625216 Thermal printhead life extension techniqueExpiredAug 05, 85Nov 25, 86[G01D]
4618254 Automatic light control systemExpiredOct 15, 82Oct 21, 86[G03B]
4613986 Digital filter for enhancement of document imagesExpiredJun 14, 84Sep 23, 86[G06K]
4599547 Fine-coarse positioning control system with easy adjustmentExpiredOct 23, 84Jul 08, 86[G05B]
4595935 System for detecting defective thermal printhead elementsExpiredAug 14, 84Jun 17, 86[G01D]
4578570 Bar code processing apparatusExpiredAug 14, 84Mar 25, 86[G06K]
4573058 Closed loop thermal printer for maintaining constant printing energyExpiredMay 24, 85Feb 25, 86[H05B]
4564752 Concurrent, image-based, reject-re-entry system and methodExpiredDec 23, 82Jan 14, 86[G06K]
4557473 Sheet decelerating and stopping apparatusExpiredDec 14, 83Dec 10, 85[B65H]
4555617 Concurrent, image-based, reject-re-entry repair system and methodExpiredDec 23, 82Nov 26, 85[G06F]
4542998 Character set printing means utilizing rolling pressure contact for printingExpiredAug 31, 83Sep 24, 85[B41J]
4536775 Thermal printing apparatusExpiredDec 14, 83Aug 20, 85[H05B]

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