Patents by Inventor Gerald Covington Hurst

Gerald Covington Hurst 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: 4006050
    Abstract: A card or other document is produced by forming by xerography an image of security matter on a transfer sheet and subsequently transferring the image to a plastics base. The security matter can be, for example, a photograph, signature or fingerprint of the intended holder of the card. The resulting card is intended to be proof against fraud to a large extent, because the image cannot be easily altered.
    Type: Grant
    Filed: February 7, 1975
    Date of Patent: February 1, 1977
    Assignee: George M. Whiley Limited
    Inventors: Gerald Covington Hurst, Kenneth Adams