Assignee

OHFA TECH INC

KR·1 granted patent·1 pending application·3 citations·filing 2016–2016

Technology mixF16K1 G06F1 G09B1 H02K1 H04M1

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2 records

0168US10453359B2Braille learning apparatus and braille learning method using the sameOHFA TECH INC·Filed 2016·Granted Oct 22, 2019·3 cites·10 claims
0224US2017214290A1ActuatorOHFA TECH INC·Filed 2016·Application pending·0 cites

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