EPSON KABUSHIKI KAISHA

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4577203 Ink jet recording apparatusExpiredAug 07, 85Mar 18, 86[G01D]
4546362 Low voltage ink-jet printheadExpiredJun 30, 82Oct 08, 85[G01D]
4492484 Improved ribbon mask and guide for wire dot printersExpiredAug 13, 82Jan 08, 85[B41J]
4471363 Method and apparatus for driving an ink jet printer headExpiredAug 25, 81Sep 11, 84[G01D]
4456393 Wire dot printerExpiredJun 16, 81Jun 26, 84[B41J]
4450454 Small size ink jet printerExpiredNov 19, 81May 22, 84[G01D]
4386565 Printer apparatus using electromagnetExpiredNov 06, 80Jun 07, 83[B41J]

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