Takano Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5019257 Parallel filtering circuit with conduits of different ratesExpiredMar 15, 90May 28, 91[B01D]
4968425 Filter of depth layer typeExpiredAug 18, 88Nov 06, 90[B01D]
4852693 Lubrication monitoring apparatus for machineExpiredAug 05, 88Aug 01, 89[F01M]

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