Patents by Inventor Frederick Argles Clack, Jr.

Frederick Argles Clack, Jr. 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: 4102011
    Abstract: An aircraft door adapted to pivot about a pair of vertical hinges is detachably fixed to the door frame by a secondary joint at each hinge. Retraction of a short horizontal pin at each secondary joint releases the door for jettison.
    Type: Grant
    Filed: June 24, 1977
    Date of Patent: July 25, 1978
    Assignee: United Technologies Corporation
    Inventor: Frederick Argles Clack, Jr.