Patents by Inventor David Lyman Johansen

David Lyman Johansen 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: 3994049
    Abstract: An automatic release assembly for a two-piece harness connector is provided with an electro-optic trigger responsive to a liquid environment. A rotatable locking shaft is forcibly rotated to unlock position by actuation of a force generating device integrated into the two-piece harness connector.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: November 30, 1976
    Assignee: Gulf & Western Industries, Inc.
    Inventors: David Lyman Johansen, Peter Julian Vaice