US Patent
Patent No. US 11736607
Published on Aug 22, 2023
Application No. 17/397580
Filed on Aug 9, 2021
Priority Date -
Inventor/Applicants
Liu, Zhishen - Campbell, CA US
Classification
International:2
H04M 3/42
G06F 21/62;
Examiner
Patel, Chandrahas B