Patents by Inventor John R. Prosek

John R. Prosek 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).

  • Roll-over protection structure for dump truck
    Patent number: 4084852
    Abstract: A dump truck having a canopy on the dump body which extends over an operator's cab is provided with a latch means for holding the dump body in its lowered transport position and is released only in response to initiating the intentional pivoting of the dump body to its raised position.
    Type: Grant
    Filed: July 22, 1976
    Date of Patent: April 18, 1978
    Assignee: International Harvester Company
    Inventors: John R. Prosek, James C. Tamburino