Patents by Inventor Joseph R. Waldrop

Joseph R. Waldrop 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).

  • Card cage assembly
    Patent number: 4013928
    Abstract: An improved card cage assembly used in data processing equipment to hold printed wire boards containing electrical circuitry. The improved assembly has a rear bar and a front bar with extruded channels formed therein. The channels receive thread-forming screws and a nut strip for ease in construction and for the elimination of back panel stresses.
    Type: Grant
    Filed: April 24, 1974
    Date of Patent: March 22, 1977
    Assignee: Honeywell Information Systems, Inc.
    Inventors: George A. Sarinopoulos, Robert E. McCarthy, Joseph R. Waldrop