Patents by Inventor Michael George Joseph Fry

Michael George Joseph Fry 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).

  • Magnetic or electric measuring devices
    Patent number: 4114087
    Abstract: Apparatus for measuring magnetic field strength which comprises two Nuclear Magnetic Resonance cells (the NMR cells), a field generator for applying to the NMR cells bias magnetic field which is parallel and of substantially equal strength at each NMR cell, an excitation assembly for separately magnetically exciting each NMR cell at its own Larmor precession, or resonance, frequency, and a device for deriving a signal in accord with the difference between the Larmor frequencies of the two cells.
    Type: Grant
    Filed: October 18, 1976
    Date of Patent: September 12, 1978
    Assignee: Brentford Electric Limited
    Inventor: Michael George Joseph Fry