Patents by Inventor Grover W. Burgan

Grover W. Burgan 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).

  • Patent number: 9605936
    Abstract: Fingers of a wad are splayed, prior to loading the wad into a shotgun shell, by sliding the wad on a wad splaying tool. The tool has mandrel with a free end, a shank, a frusto-conical transition extending from the free end to the shank, and a supported end. The diameter of the free end is less than the diameter of the wad. The transition's diameter at the shank (i.e., where the transition meets the shank) exceeds the diameter of the wad.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: March 28, 2017
    Inventor: Grover W. Burgan