Patents by Inventor Brian Clifford Grover

Brian Clifford Grover 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).

  • Frequency response testing apparatus
    Patent number: 4095057
    Abstract: Frequency response testing apparatus, developed for use with hearing aids, comprises a generator providing a predetermined varying-frequency input for the device under test, and a discriminator which applies incremental output level signals from the device to a display matrix of LED's under the control of timing signals derived from the generator, the overall arrangement providing a display in the form of a linear graphical plot.
    Type: Grant
    Filed: March 9, 1977
    Date of Patent: June 13, 1978
    Assignee: National Research Development Corporation
    Inventors: Ronald Frederick Power, Alan Anthony Barker, Michael Charles Martin, Brian Clifford Grover