Patents by Inventor Nigel R. Plumridge

Nigel R. Plumridge 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).

  • Safety shackles
    Patent number: 4632443
    Abstract: A combination shackle and line comprising a body, a closure member, and a shackle line connected to the body and extending therefrom. A latch is supported by the body for movement between a first position to hold the shackle closed, and a second position to allow the shackle to open. A latch release line is connected to the latch, and extends therefrom to pull the latch from the first to the second positions.
    Type: Grant
    Filed: March 5, 1985
    Date of Patent: December 30, 1986
    Assignee: Millridge Safety Developments Pty. Ltd.
    Inventors: Clifton L. Miller, Nigel R. Plumridge