Ushio Co., Ltd.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5351316 Image processing apparatusExpiredAug 23, 93Sep 27, 94[G06K]
5252067 Handpiece for dental medical treatmentExpiredFeb 03, 92Oct 12, 93[A61C]
5211531 Air motorExpiredDec 26, 91May 18, 93[F03B, F01D]
5152605 Apparatus for making cooled concreteExpiredJan 22, 91Oct 06, 92[B01F]
5144872 Multiple punching pressExpiredJul 29, 91Sep 08, 92[B26F]
5083490 Punching unit for punching apparatusExpiredJul 25, 89Jan 28, 92[B26D]
5074750 Air motor assemblyExpiredJan 08, 90Dec 24, 91[A61C, F01D]
5036574 Multiple piercing apparatus and methodExpiredOct 31, 89Aug 06, 91[B26D]
4990080 Punch press for piercing green sheet with linerExpiredJun 23, 89Feb 05, 91[B29C]
4979415 Punching unit for punching apparatusExpiredJun 23, 89Dec 25, 90[B26F]
4909678 Boring apparatus for a laminated plate and boring cutterExpiredAug 26, 88Mar 20, 90[B23B]

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