AKTIEBOLAGET STILLE-WERNER, A LIMITED COMPANY OF SWEDEN

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4444180 Surgical instrument for engaging a bony part of the human body and guiding a drill bit into a specific location in the bony partExpiredMar 01, 82Apr 24, 84[A61F]
4444184 Surgical instrument for operating on jointsExpiredNov 20, 78Apr 24, 84[A61B]
4257419 Suction-assisted hemorrhoid ligatorExpiredDec 14, 78Mar 24, 81[A61B]
4218821 Tool having paired pivoted lever armsExpiredJun 28, 78Aug 26, 80[B26B, B25B]

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