Patents by Inventor Rolland D. O'Groske

Rolland D. O'Groske 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).

  • Shielded bulk cable
    Patent number: 6211459
    Abstract: A shielded bulk cable having a plurality of insulated conductors in a seamless covering. The seamless covering surrounds the plurality of insulated conductors and forms a seamless electromagnetic shield and electric insulator. The seamless covering has a conductive layer and an insulating layer. The conductive layer is bonded to the insulating layer and has a thickness substantially less than that of the insulating layer.
    Type: Grant
    Filed: May 17, 1995
    Date of Patent: April 3, 2001
    Assignee: International Business Machines Corporation
    Inventors: Rolland D. O'Groske, Keith F. Tharp, Sandy J. Shirk/Heath, Paul W. Schaefer, Scott M. Thorvilson, Michael K. Brown
  • Customizable plugs for A.C. power cords
    Patent number: 4815983
    Abstract: A modular power-line attachment cord has a plug with standard pins in a cavity with a locking shoulder. A number of national-standard inserts have cooperating sockets for the pins, and a locking shoulder allowing the insert to be permanently captured in the cavity of the plug.
    Type: Grant
    Filed: November 13, 1987
    Date of Patent: March 28, 1989
    Assignee: International Business Machines Corporation
    Inventors: James W. Erickson, Merlyn W. Jeche, Rolland D. O'Groske, Gerald L. Richter