Patents by Inventor Keith O. Smith

Keith O. Smith 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).

  • Latch signal and cowling structure
    Patent number: 4613099
    Abstract: A latch signal for mounting inside an engine cowling structure. The signal indicating when an internal latch is inadvertently left unlatched when the cowlings are closed. Further, the signal prevents adjacent cowlings from closing until the internal latch is properly secured.
    Type: Grant
    Filed: September 13, 1984
    Date of Patent: September 23, 1986
    Assignee: The Boeing Company
    Inventors: Keith O. Smith, Jerry L. Glancy