Patents by Inventor Haruo Nikawa

Haruo Nikawa 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: 4483549
    Abstract: A vehicle towing trailer comprises a substantially T-shaped trailer body including an axially extending elongated frame and a cross frame connected to a rear end of the elongated frame, a swivel platform supported on the cross frame, a lift arm mounted on the trailer body for lifting and lowering the rear end of the trailer body, a pair of wheel assemblies each including one or more ground engaging wheels supported by a bracket which is detachable to the trailer body by insertion of one or more axially extending male members into one or more cooperating female members from a front side toward a rear side of the cross frame in a direction opposite to a running direction of the trailer.
    Type: Grant
    Filed: November 12, 1982
    Date of Patent: November 20, 1984
    Assignee: Toshiki Nikawa
    Inventor: Haruo Nikawa