Matthew C. Ryan

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Lansdale, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
AGC Amplifier for ultrasonic measuring system
- Patent number 4,402,231
- Issue date Sep 6, 1983
- Fischer & Porter Company
- Matthew C. Ryan
- G01 - MEASURING TESTING
Information Patent Grant
Transducer drive circuit for ultrasonic flowmeter
- Patent number 4,397,193
- Issue date Aug 9, 1983
- Fischer & Porter Company
- Matthew C. Ryan
- G01 - MEASURING TESTING