ST. CROIX MEDICAL, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2004/0181,117 Piezoelectric film transducerAbandonedApr 13, 01Sep 16, 04[H04R]
2002/0091,337 Wireless communications system for implantable hearing aidAbandonedFeb 07, 01Jul 11, 02[H04R, A61B]
6050933 Hearing aid transducer supportExpiredNov 09, 98Apr 18, 00[H04R]
6039685 Ventable connector with sealsExpiredSep 14, 98Mar 21, 00[H04R]
6001129 Hearing aid transducer supportExpiredAug 07, 97Dec 14, 99[A04R, A61F, A61B]
5999856 Implantable hearing assistance system with calibration and auditory response testingExpiredFeb 21, 97Dec 07, 99[A61N]
5836863 Hearing aid transducer supportExpiredAug 07, 96Nov 17, 98[H04R]
5730699 Implantable hearing system having multiple transducersWithdrawnAug 07, 96Mar 24, 98[]

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