Patents by Inventor Bruce Gradwell

Bruce Gradwell 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: D429627
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: August 22, 2000
    Inventor: Bruce Gradwell