Patents by Inventor Trude J. Amick

Trude J. Amick 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).

  • Dual layer self-contained paper incorporating hollow spherical plastic pigment
    Patent number: 6514909
    Abstract: A self-contained sheet for forming an image comprising a support, a first layer of microcapsules containing a color precursor of the electron donating type in a carrier liquid on the surface of the support, a layer of microspheres overlying the microcapsule layer, and a developer material present in at least one of the microcapsule layer or microsphere layer, wherein the developer material can react with the color precursor to form a visible image when the color precursor is released from the microcapsules.
    Type: Grant
    Filed: August 2, 2000
    Date of Patent: February 4, 2003
    Assignee: The Mead Corporation
    Inventors: Robert A. Austin, Bruce A. Neeld, Peter C. Yao, John K. Rourke, Trude J. Amick, Willard W. McCarty