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Patent applications and USPTO patent grants for Prasad; Bhavani.The latest application filed is for "transaction signature".
Patent | Date |
---|---|
Method for securely exchanging promotional ticket related information Grant 8,216,059 - Prasad , et al. July 10, 2 | 2012-07-10 |
Transaction signature Grant 7,454,385 - Prasad , et al. November 18, 2 | 2008-11-18 |
Transaction signature Grant 7,062,470 - Prasad , et al. June 13, 2 | 2006-06-13 |
Transaction signature App 20060106704 - Prasad; Bhavani ;   et al. | 2006-05-18 |
Method and apparatus for ticket generation and accounting Grant 6,892,182 - Rowe , et al. May 10, 2 | 2005-05-10 |
Method for securely exchanging promotional ticket related information App 20050096126 - Prasad, Bhavani ;   et al. | 2005-05-05 |
Transaction signature Grant 6,675,152 - Prasad , et al. January 6, 2 | 2004-01-06 |
Transaction signature App 20030144965 - Prasad, Bhavani ;   et al. | 2003-07-31 |
Gaming system for multiple progressive games Grant 5,885,158 - Torango , et al. March 23, 1 | 1999-03-23 |
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