KABUSHIKI KAISHA MACHIDASEISAKUJYO

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4973311 Aspirator for endoscopic systemExpiredDec 28, 87Nov 27, 90[A61M]
4844052 Apparatus for transmitting liquid and gas in an endoscopeExpiredMar 11, 88Jul 04, 89[A61B]
4836187 Constant pressure apparatus of an endoscopeExpiredDec 28, 87Jun 06, 89[A61B]

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