Patents by Inventor Robert Douglas Hannon

Robert Douglas Hannon 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 line guide system
    Patent number: 9642346
    Abstract: A fishing line guide system for use on a fishing rod comprising at least two fishing line guides or concentrically aligned guide rings to reduce the helix formed in the fishing line during casting including a primary or proximal guide ring and a secondary or distal guide ring disposed in planes substantially parallel to each other and spaced within a predetermined range or distance relative to each other.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: May 9, 2017
    Assignee: Angling Technologies, LLC
    Inventor: Robert Douglas Hannon
  • Fishing line guide
    Patent number: D685056
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: June 25, 2013
    Inventor: Robert Douglas Hannon