Biosound, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2006/0058,665 Noninvasive method of ultrasound wound evaluationAbandonedAug 19, 05Mar 16, 06[A61B]
4532615 Phased array for an ultrasonic transducerExpiredSep 28, 82Jul 30, 85[G01S]
4523471 Composite transducer structureExpiredSep 28, 82Jun 18, 85[G01N]
4494548 Ultrasonic sector scannerExpiredApr 20, 82Jan 22, 85[A61B]
4465978 Signal conditioning circuitExpiredJun 27, 83Aug 14, 84[H03K]
4433691 Moving torque coil oscillatory drive memberExpiredOct 05, 81Feb 28, 84[A61B]
4428059 Real time fill circuitExpiredAug 25, 82Jan 24, 84[G06F]
4377088 Angular position sensorExpiredJan 14, 81Mar 22, 83[G01N, G01B]
4344159 Ultrasonic transducerExpiredMay 08, 81Aug 10, 82[G01S]
4316271 Purging and expansion mechanismExpiredJan 14, 81Feb 16, 82[H04R]
4300217 Acoustic transducer housingExpiredJul 30, 80Nov 10, 81[H04R]

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