Patents by Inventor Stephen Walter Langsford

Stephen Walter Langsford 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).

  • Clamp
    Patent number: 4115020
    Abstract: A clamp particularly but not exclusively suited for attaching clip-on units to cargo containers wherein the clamp takes the form of a pivotal arm or arms receivable in a slot or opening which upon subsequent pivotal movement locks the arm or arms in the opening. A preferred mode of pivoting the arm(s) is by way of a camming surface in sliding contact with the arm(s).
    Type: Grant
    Filed: October 14, 1976
    Date of Patent: September 19, 1978
    Assignee: Overseas Containers Australia Pty Limited
    Inventor: Stephen Walter Langsford