Inventor
HONG NG WOO
SG3 patents
Patents
3 patentsUS11562751B2Jan 24, 2023
Data communication using audio patterns systems and methods
PAYPAL INC0 citations55
US9812137B2Nov 7, 2017
Data communication using audio patterns systems and methods
PAYPAL INC1 citations55
US10839816B2Nov 17, 2020
Data communication using audio patterns systems and methods
PAYPAL INC0 citations45