Spembly Cryosurgery Limited

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5946920 Method and apparatus for supplying liquid cryogenExpiredApr 13, 98Sep 07, 99[F17C, F25B]
5860971 Thawing of cryosurgical apparatusExpiredMay 23, 97Jan 19, 99[A61B]
5632743 Method of thawing cryosurgical apparatusExpiredMay 31, 94May 27, 97[A61B]

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