Patents by Inventor Richard W. Sankey

Richard W. Sankey 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: D270256
    Type: Grant
    Filed: July 10, 1981
    Date of Patent: August 23, 1983
    Assignee: Alpha Enterprises, Inc.
    Inventor: Richard W. Sankey