Patents by Inventor Richard Dixon Neal

Richard Dixon Neal 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: 6217794
    Abstract: Fibers having at least one near-infrared fluorescing compound associated therewith are prepared by contacting the fibers with the fluorescing compound(s) dissolved in an organic solvent. Suitable organic solvents include ketones and alcohols. The fibers may subsequently be air-dried to remove any remaining volatiles. Fibers coated with the marker solution desirably have less than 1 weight percent of the marker coated thereon.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: April 17, 2001
    Assignee: Isotag Technology, Inc.
    Inventors: Richard Dixon Neal, Barbara Crawford Jackson, James John Krutak, Sr.