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| Number | Title | Issue Date |
| 7357717 | Passive biometric customer identification and tracking system A computer-based customer tracking system passively identifies customers. Acquired biometric identification information is sent to a computer processor, which searches files in a library for matching biometric data. If no match is found, the processor opens a new fi... | 04/15/2008 |
| 7288025 | Apparatus and method for controlling and preventing compulsive gaming A system and method for passively tracking the play of gaming devices which allows compulsive gambling to be controlled. Players provide identification information and physical recognition data is acquired. For each player an account file and a file of the image dat... | 10/30/2007 |
| 7175528 | Passive biometric customer identification and tracking system A computer-based customer tracking system passively identifies customers. Acquired biometric identification information is sent to a computer processor, which searches files in a library for matching biometric data. If no match is found, the processor opens a new fi... | 02/13/2007 |
