Patents by Inventor Donald A. Wolstenholme

Donald A. Wolstenholme 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: D249636
    Type: Grant
    Filed: December 6, 1976
    Date of Patent: September 26, 1978
    Assignee: Saml. Smith Old Brewery (Tadcaster) Limited
    Inventor: Donald A. Wolstenholme