Patents by Inventor Doyle D. Helton

Doyle D. Helton 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).

  • Fishing lure with temperature responsive color change
    Patent number: 4835899
    Abstract: A fishing lure has a member or body which is at least partially covered with a first coating of a dark adhesive material, and the first coating is overlaid with a second coating of a binder combined with temperature sensitive encapsulated liquid crystals. The second coating is overlaid with a third coating of clear sealant material, and the third coating may be decorated or painted to simulate the eyes, scales or fins of a miniature fish.
    Type: Grant
    Filed: March 18, 1988
    Date of Patent: June 6, 1989
    Inventor: Doyle D. Helton
  • Fishing lure with temperature responsive color change
    Patent number: 4731948
    Abstract: A fishing lure has a member or body which is at least partially covered with a first coating of a dark adhesive material, and the first coating is overlaid with a second coating of a binder combined with temperature sensitive encapsulated liquid crystals. The second coating is overlaid with a third coating of clear sealant material, and the third coating may be decorated or painted to simulate the eyes, scales or fins of a miniature fish.
    Type: Grant
    Filed: July 1, 1987
    Date of Patent: March 22, 1988
    Inventor: Doyle D. Helton