Patents by Inventor John D. Vale

John D. Vale 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).

  • Child's typewriter
    Patent number: D322801
    Type: Grant
    Filed: May 15, 1989
    Date of Patent: December 31, 1991
    Assignee: Britains Petite Limited
    Inventor: John D. Vale