Patents by Inventor Gilbert C. Barrow

Gilbert C. Barrow has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electroacoustic transducers of the bilaminar flexural vibrating type and method for manufacturing same
    Patent number: 3937991
    Abstract: An electroacoustic transducer uses a bilaminar vibratile element having at least two plate members which are bonded together in face-to-face relationship, at least one of the plates being made from a piezoelectric material. The bilaminar plate is supported within a frame-like structure by resilient pads which attach the bilaminar plate at its nodal points to the surface of the supporting frame.
    Type: Grant
    Filed: December 8, 1971
    Date of Patent: February 10, 1976
    Assignee: Fred M. Dellorfano, Jr. and Donald P. Massa, Trustees of the Stoneleigh Trust
    Inventors: Frank Massa, Gilbert C. Barrow