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Patent applications and USPTO patent grants for AL-JAFAR; ALI ASHOUR.The latest application filed is for "educational method of teaching arithmetic".
Patent | Date |
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Educational Method Of Teaching Arithmetic App 20170032696 - AL-JAFAR; ALI ASHOUR | 2017-02-02 |
Timepiece with multiplication table display and method of teaching multiplication tables Grant 8,238,200 - Al-Jafar August 7, 2 | 2012-08-07 |
Timepiece With Multiplication Table Display And Method Of Teaching Multiplication Tables App 20110044135 - Al-Jafar; Ali Ashour | 2011-02-24 |
Calculating clock (multiplication figure) App 20090274014 - Al-Jafar; Ali Ashour | 2009-11-05 |
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