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Gilbert C. Barrow
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Scituate, MA, US
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Patent Grant
Electroacoustic transducers of the bilaminar flexural vibrating typ...
Patent number
3,937,991
Issue date
Feb 10, 1976
Fred M. Dellorfano, Jr. and Donald P. Massa, Trustees of the Stoneleigh Trust
Frank Massa
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL