Patents by Inventor Howard G. Oliphant

Howard G. Oliphant 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).

  • Fire door for trailers
    Patent number: 4106236
    Abstract: A push-out fire door for the side walls of trailers or the like providing egress from the trailer by quick release of a latch inside of the trailer holding the door to the trailer walls and a slight push on the door causing it to pivot outwardly of the trailer dislodging therefrom and falling away from the side of the trailer.
    Type: Grant
    Filed: March 30, 1977
    Date of Patent: August 15, 1978
    Assignees: H. W. Kochs, Jr., R. M. Geer, Lois Jean Cason
    Inventor: Howard G. Oliphant