Patents by Inventor John Stuart Dietrich

John Stuart Dietrich 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).

  • Restorably deformable hockey goal
    Patent number: 3979120
    Abstract: A frame for supporting a games net includes a number of tubular frame members having threaded ends and a number of helical springs that are threadably connectable to the threaded ends to form a novel frame structure that is restorably deformable at the joined ends.
    Type: Grant
    Filed: December 2, 1974
    Date of Patent: September 7, 1976
    Inventor: John Stuart Dietrich