Patents by Inventor John Arthur Johnsen

John Arthur Johnsen 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).

  • Tread ring disassembly and reassembly apparatus
    Patent number: 4086047
    Abstract: The present disclosure relates to an apparatus for automatically disassembling a tread ring from a centrifugally cast vehicle tire and then reassembling the tread ring after the tire has been removed.
    Type: Grant
    Filed: May 19, 1977
    Date of Patent: April 25, 1978
    Assignee: The Firestone Tire & Rubber Company
    Inventor: John Arthur Johnsen