Patents by Inventor Charles W. Steinke

Charles W. Steinke 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).

  • Undercarriages
    Patent number: 4988115
    Abstract: An undercarriage for pivotable supporting the front end of a trailer with the undercarriage including a set of bolsters that provide a pivoting and rockable connection between a box on the trailer and the front undercarriage to reduce stress on the box with the undercarriage including detachable lift members to permit the user to raise the rear wheels of the undercarriage to permit one to back the trailer like a conventional trailer.
    Type: Grant
    Filed: July 31, 1989
    Date of Patent: January 29, 1991
    Inventor: Charles W. Steinke