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USE OF A DIGITAL MATHEMATICAL GEARS MECHANISM AS AN ALTERNATIVE INTERFACE TO PRESENT AND SOLVE MATHEMATICS PROBLEMS

62/40,091 | U.S. Patent Application

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Location ELECTRONIC
Filed Aug. 21, 2014
Case Type Provisional
Status Provisional Application Expired
Child 14/833,033 Patented
Child 14/833,037 Patented
Child 15/369,699 Abandoned
Child 15/939,153 Patented
Child 15/369,699 Abandoned
Child 16/137,151 Patented
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Last Updated: 2 years, 3 months ago
Date # Transaction