Twin City Surgical, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4543718 Cast cutter apparatusExpiredFeb 01, 84Oct 01, 85[B26B, B27B]
4386603 Distraction device for spinal distraction systemsExpiredMar 23, 81Jun 07, 83[A61F]
4347845 Hook inserter deviceExpiredMar 23, 81Sep 07, 82[A61F, A61B]
4261272 Apparatus for producing sewn seamsExpiredMay 02, 79Apr 14, 81[D05B]
4261690 PumpExpiredApr 12, 79Apr 14, 81[F04B]

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