Patents by Inventor Arthur B. Walker

Arthur B. Walker 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: D404643
    Type: Grant
    Filed: December 15, 1997
    Date of Patent: January 26, 1999
    Inventor: Arthur B. Walker