Northstar Research Institute, Ltd.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4979509 Continuous glucose monitoring and a system utilized thereforExpiredJul 19, 89Dec 25, 90[A61B]
4890621 Continuous glucose monitoring and a system utilized thereforExpiredJan 19, 88Jan 02, 90[A61B]
4773423 Blood loss measurementExpiredApr 17, 87Sep 27, 88[A61B]
4657018 Automatic/manual resectoscopeExpiredOct 15, 84Apr 14, 87[A61B]
4602621 Manually actuated, self contained penile implantExpiredDec 18, 84Jul 29, 86[A61F]
4594997 Self actuated penile implantExpiredNov 13, 84Jun 17, 86[A61F]
4428365 Anti-incontinent prosthesesExpiredMar 01, 82Jan 31, 84[A61B]

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