Patents by Inventor John Eugene Hruby

John Eugene Hruby 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: 4064839
    Abstract: An animal habitat includes an exercise wheel simulating the drive wheel on a steam-powered locomotive; protuberances on the exercise wheel strike a trip wire which swings a locomotive bell and an idler disc connects the exercise wheel to simulate locomotive running wheels which may be suitably decorated to produce an effect pleasing to the eye when the running wheels are rotated by the exercise wheel which, in turn, may be rotated by an animal housed in the habitat.
    Type: Grant
    Filed: February 5, 1976
    Date of Patent: December 27, 1977
    Assignee: Metaframe Corporation
    Inventors: Donald James Rodemeyer, John Eugene Hruby