Patents by Inventor William E. Welborn

William E. Welborn 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: D264522
    Type: Grant
    Filed: April 22, 1980
    Date of Patent: May 25, 1982
    Inventor: William E. Welborn