Patents by Inventor Ronald W. Zick

Ronald W. Zick 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).

  • Playground roundabout
    Patent number: D247320
    Type: Grant
    Filed: July 26, 1976
    Date of Patent: February 21, 1978
    Assignee: Game Time, Inc.
    Inventor: Ronald W. Zick
  • Playground rider
    Patent number: D249081
    Type: Grant
    Filed: July 23, 1976
    Date of Patent: August 22, 1978
    Assignee: Game Time, Inc.
    Inventor: Ronald W. Zick