Kabushiki Kaisha Tokiwa Seisakusho

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4649612 Method of manufacturing a rotor for rotary fluid pumpsExpiredDec 18, 85Mar 17, 87[B23P]
4323048 Ball shooting machine for volleyball practiceExpiredAug 26, 80Apr 06, 82[F41B]
D260024 Serving machine for use in practicing volleyballExpiredMay 30, 79Jul 28, 81[D210]

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