Patents by Inventor Truman John Gilbert

Truman John Gilbert 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: 5949050
    Abstract: Magnetic cards are formed by plural, coadjoining, generally planar, parallel layers. Outermost layers form outer sides of each card. At least a first visible image is provided on a first of the outer sides. The card includes a generally planar, permanently magnetized layer formed by one or more permanently magnetizable planar components that are fixedly positioned preferably within a frame between the opaque outer sides or a magnetizable material layer only -part of which has been selectively permanently magnetized. The permanently magnetized layer or permanently magnetized portion of a larger, magnetizable layer has a predetermined configuration which is related at least in informational content to the first visible image. A silhouette of the predetermined configuration can be magnetically reproduced by placing a card on a magnetically actuated fluid display panel.
    Type: Grant
    Filed: January 22, 1997
    Date of Patent: September 7, 1999
    Assignee: Mattel, Inc.
    Inventors: Mary Ellen G. Fosbenner, Truman John Gilbert, Robert J. Henry, Joseph Leonelli, Peter Santaw, Howard Wodin
  • Patent number: D505165
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: May 17, 2005
    Assignee: Mattel, Inc.
    Inventors: John McBride, Truman John Gilbert
  • Patent number: D514173
    Type: Grant
    Filed: September 27, 2004
    Date of Patent: January 31, 2006
    Assignee: Mattel, Inc.
    Inventors: John McBride, Truman John Gilbert
  • Patent number: D521574
    Type: Grant
    Filed: September 27, 2004
    Date of Patent: May 23, 2006
    Assignee: Mattel, Inc.
    Inventors: John McBride, Truman John Gilbert
  • Patent number: D466167
    Type: Grant
    Filed: February 8, 2002
    Date of Patent: November 26, 2002
    Assignee: Mattel, Inc.
    Inventors: Sean Mullaney, Michael Hoeting, Neil Hamilton, Steven Fink, Tommie Lucas, Truman John Gilbert, John David McBride