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Inventor
Risley Thomas
US
3 patents
Patents
3 patents
US9704489B2
Jul 11, 2017
Portable acoustical unit for voice recognition
AT & T IP I LP
5 citations
77
US10958468B2
Mar 23, 2021
Portable acoustical unit
AT & T IP I LP
0 citations
56
US10091021B2
Oct 2, 2018
Portable acoustical unit
AT & T IP I LP
0 citations
45