Patents by Inventor Wilfred Drower

Wilfred Drower 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).

  • Trailer coupling
    Patent number: 4116460
    Abstract: A trailer coupling comprising a housing, an extensible linkage, one end of which is pivotally mounted on the housing for rotation about a substantially vertical axis, a trailer coupling element or component mounted on the other end of said extensible linkage and means for locking said extensible linkage to the housing when in the fully retracted position whereby substantially the whole of the load is borne by the housing.
    Type: Grant
    Filed: November 1, 1976
    Date of Patent: September 26, 1978
    Assignee: Litecraft Pty. Ltd.
    Inventor: Wilfred Drower