Patents by Inventor Christopher A. Field

Christopher A. Field 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).

  • RF Tag having high dielectric constant material
    Patent number: 6329915
    Abstract: A radio frequency (RF) transponder (RF tag) is proposed, where a high dielectric constant material is used in operative cooperation with a tag antenna so that the distance of the tag antenna from conducting or absorbing surfaces may be reduced, and so the tag dimensions may be reduced.
    Type: Grant
    Filed: April 24, 1999
    Date of Patent: December 11, 2001
    Assignee: Intermec IP Corp
    Inventors: Michael J. Brady, Paul A. Moskowitz, Dah-Weih Duan, Ali Afzali-ardakani, Christopher A. Field, Peter R. Duncombe