Patents by Inventor Donald Louis Boswell

Donald Louis Boswell 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: D575351
    Type: Grant
    Filed: October 5, 2007
    Date of Patent: August 19, 2008
    Inventor: Donald Louis Boswell
  • Patent number: D602536
    Type: Grant
    Filed: June 2, 2008
    Date of Patent: October 20, 2009
    Inventor: Donald Louis Boswell