Patents by Inventor David E. Hessian

David E. Hessian 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: 4907975
    Abstract: An assembly for interconnecting two relatively rigid circuit cards using a flexible circuit for forming this connection is provided. The assembly includes a housing which has a first pressure exerting member which has the flexible circuit reeved therearound. Second and third pressure exerting members are provided in spaced juxtaposed relationship against which the opposite legs of the flexible circuit are maintained to define therebetween a slot for the reception of a circuit card. The assembly is inserted into a card substrate with the first pressure exerting means causing the flexible circuit to be biased into contact with the contacts on a substrate. A second circuit card is inserted into the slot between the legs of the flexible circuit, and the second and third pressure exerting members urge each of the legs as the flexible circuit into contact with the second circuit board.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: March 13, 1990
    Assignee: International Business Machine Corporation
    Inventors: David W. Dranchak, David E. Engle, David E. Hessian, Alan D. Knight, Wai M. Ma, Thomas G. Macek, John J. Squires