Method and device for reading, writing, and communication by deafblind users | Patent Publication Number 20200193870
US 20200193870 A1Patent NumberUS 11475793 B2
Application Number16799436
Filled DateFeb 24, 2020
Priority DateFeb 24, 2019
Publication DateJun 18, 2020
Original Assignee
Current Assignee
Inventor/ApplicantsEurica Califorrniaa
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