Patents by Inventor Virgil Hedgcoth

Virgil Hedgcoth 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).

  • Plastic identity card capable of providing an inkless fingerprint and method of developing inkless prints on plastic card
    Patent number: 4705299
    Abstract: A plastic identity card is provided with an ink absorbent coating over a preassigned space thereon. The ink absorbent coating includes a chemical reagent capable of chemically reacting with a substantially colorless developer solution applied by a finger thereto to provide a perceivable colorant product representative of the fingerprint ridge pattern.
    Type: Grant
    Filed: May 27, 1986
    Date of Patent: November 10, 1987
    Assignee: Identicator Corp.
    Inventors: Virgil Hedgcoth, Douglas C. Arndt