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Patent applications and USPTO patent grants for Hansen; Keith M..The latest application filed is for "method and system to use a telephone extension number to identify a session, such as an internet session that browses real estate information".
Patent | Date |
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Method And System To Use A Telephone Extension Number To Identify A Session, Such As An Internet Session That Browses Real Estate Information App 20070005776 - Hansen; Glen L. ;   et al. | 2007-01-04 |
Method, apparatus and article for tracking and/or rewarding third parties within a networked commercial environment App 20050261929 - Hansen, Keith M. ;   et al. | 2005-11-24 |
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