Patents by Inventor Charles F. Maker

Charles F. Maker 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).

  • RESONATOR APPARATUS HAVING DIRECT-COUPLED RESONATORS
    Publication number: 20090058565
    Abstract: A resonator apparatus and ferromagnetic resonance filter are described. The apparatuses and filters only include perturbation coils about an input resonator element and an output resonator element.
    Type: Application
    Filed: August 27, 2007
    Publication date: March 5, 2009
    Inventors: Charles F. Maker, Curtis Kimble, Khouzema Unchwaniwala