Patents by Inventor William G. Herbertson

William G. Herbertson 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).

  • Electronic checkbook
    Patent number: D404024
    Type: Grant
    Filed: December 17, 1997
    Date of Patent: January 12, 1999
    Inventor: William G. Herbertson