Patents by Inventor Edgar Walker, III

Edgar Walker, III 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).

  • Tunable electrical component
    Patent number: 4063206
    Abstract: An electrical component such as a base loading coil assembly for a fixed length mobile radio antenna is disclosed featuring an electrical coil having a series of windings and an adjustable shorting screw disposed in line with the longitudinal axis of the coil and being rotatable on at least a portion of the windings so as to translate along the longitudinal axis of the coil to vary the inductance thereof.
    Type: Grant
    Filed: August 16, 1976
    Date of Patent: December 13, 1977
    Inventor: Edgar Walker, III