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Patent applications and USPTO patent grants for Wei-Chung; Chang.The latest application filed is for "system for encouraging a user to perform substantial physical activity".
Patent | Date |
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System For Encouraging A User To Perform Substantial Physical Activity App 20130052623 - Thukral; Dhruv ;   et al. | 2013-02-28 |
System for encouraging a user to perform substantial physical activity Grant 8,317,657 - Thukral , et al. November 27, 2 | 2012-11-27 |
System For Encouraging A User To Perform Substantial Physical Activity App 20110262888 - Thukral; Dhruv ;   et al. | 2011-10-27 |
System for encouraging a user to perform substantial physical activity Grant 7,980,997 - Thukral , et al. July 19, 2 | 2011-07-19 |
System For Encouraging A User To Perform Substantial Physical Activity App 20100105525 - Thukral; Dhruv ;   et al. | 2010-04-29 |
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