SONOMETRICS SYSTEMS, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4428018 Low leakage filtered power supplyExpiredJan 05, 82Jan 24, 84[H02H]
4395910 Geometric correction circuit for ultrasonic scan displayExpiredSep 22, 80Aug 02, 83[G01N]
4230124 Output display for B-scan ultrasonoscopeExpiredSep 01, 78Oct 28, 80[G01S]
4213464 Transducer assemblyExpiredJan 09, 78Jul 22, 80[A61B]

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