Patents by Inventor Roger Fields

Roger Fields 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).

  • Preventing crease formation in donor web in dye transfer printer that can cause line artifact on print
    Publication number: 20050195270
    Abstract: A thermal printer is adapted to prevent crease formation in successive dye transfer areas of a dye donor web that can cause line artifacts to be printed on a dye receiver during dye transfer from each dye transfer area to the dye receiver in a dye transfer printer.
    Type: Application
    Filed: February 26, 2004
    Publication date: September 8, 2005
    Inventors: Po-Jen Shih, Zhanjun Gao, Robert Mindler, Roger Fields