Patents by Inventor Robert E. Shewmaker

Robert E. Shewmaker 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).

  • Tree stand accessory box
    Patent number: D664767
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: August 7, 2012
    Inventor: Robert E. Shewmaker