Patents by Inventor Ronald E. Christenson

Ronald E. Christenson 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: 4458800
    Abstract: The specification discloses linkage assemblies (16, 59) for effecting selective pivotal movement of hinged structures. The invention is particularly adapted for use with sectional chute assemblies of concrete mixers, either for moving adjacent chute sections between extended and retracted positions, or for swinging the entire chute assembly.
    Type: Grant
    Filed: March 29, 1982
    Date of Patent: July 10, 1984
    Assignee: McNeilus Truck & Manufacturing, Inc.
    Inventor: Ronald E. Christenson