OSAKA CITY

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5529927 "Alga species lobsphaera TM-33 (ATCC 75630) which is useful for preparing trehalase"ExpiredApr 22, 94Jun 25, 96[C12N]
4377404 Hermetic glass-to-metal seal and method for making sameExpiredJul 10, 81Mar 22, 83[C03C]
4285661 Valve nozzle of injection molding machineExpiredNov 30, 79Aug 25, 81[B29F]

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