Patents by Inventor Chancey W. Griswold

Chancey W. Griswold 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).

  • Gaming terminal and system with biometric identification
    Patent number: 8243929
    Abstract: A gaming system is provided with biometric facilities for identifying or verifying the identity of a player or perspective player. In one aspect reference biometric data is stored in a portable biometric data storage device such as a smart card, PCMCIA card or the like and is preferably left in the possession or control of the individual or individuals to whom the biometric data relates. The reference biometric data is read in individual gaming terminals and compared, in individual gaming terminals to measured biometric data of a player or perspective player. In one aspect, gaming terminals use biometric verification or indication to implement a practical and feasible cashless gaming terminal.
    Type: Grant
    Filed: May 3, 2006
    Date of Patent: August 14, 2012
    Assignee: IGT
    Inventors: William R. Wells, Richard Wilder, Harold E. Mattice, Chancey W. Griswold