Patents by Inventor William D. Dugger

William D. Dugger 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).

  • Power case trimmer
    Patent number: 4813827
    Abstract: A battery operated, portable hand controlled cartridge case trimmer which indexes on the entire length of the case and permits resizing based on the total explosive expansion of the cartridge. A special clamping means secures the cartridge case for trued engagement by a cutter assembly having a cutting edge for length, a cutting edge for inside chamfer and a cutting edge for outside chamfer.
    Type: Grant
    Filed: May 31, 1988
    Date of Patent: March 21, 1989
    Inventor: William D. Dugger