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Patent applications and USPTO patent grants for Li; Su-Min.The latest application filed is for "torsion and force sensing device and electric screwdriver utilizing same".
Patent | Date |
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Torsion and force sensing device and electric screwdriver utilizing same Grant 10,823,628 - Liu , et al. November 3, 2 | 2020-11-03 |
Speed reducer Grant 10,760,649 - Liu , et al. Sep | 2020-09-01 |
Torsion And Force Sensing Device And Electric Screwdriver Utilizing Same App 20200209081 - LIU; EDDY ;   et al. | 2020-07-02 |
Speed Reducer App 20190346021 - LIU; EDDY ;   et al. | 2019-11-14 |
Testing machine and system for mobile phone Grant 10,104,560 - Liu , et al. October 16, 2 | 2018-10-16 |
Testing Machine And System For Mobile Phone App 20170156073 - LIU; YU-CHING ;   et al. | 2017-06-01 |
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