Patents by Inventor Jack Dartnall

Jack Dartnall 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: D250814
    Type: Grant
    Filed: February 17, 1977
    Date of Patent: January 16, 1979
    Inventor: Jack Dartnall