Patents by Inventor Donald E. Studley

Donald E. Studley 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).

  • Tennis ball printer
    Patent number: D249089
    Type: Grant
    Filed: April 19, 1976
    Date of Patent: August 22, 1978
    Assignee: Tennis Designs by Studley, Inc.
    Inventor: Donald E. Studley