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US Patent 11295631 Character and shape presentation device
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Patent
Date Filed
April 30, 2019
Date of Patent
April 5, 2022
Patent Application Number
16399962
Patent Citations
US Patent 10121335 Wearable haptic device for the visually impaired
US Patent 10276066 Refreshable Braille display device
0
Patent Inventor Names
Youngho Kim
0
Baekdong Cha
0
Jeha Ryu
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Kyoungjae Jin
0
Yoonjeong Choi
0
Patent Jurisdiction
United States Patent and Trademark Office
Patent Number
11295631
Patent Primary Examiner
Justin S Lee
CPC Code
G09B 21/003
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