Patents/Inventors

Albert Poon

San Francisco, CAUS2 patents

3 Patents

US122545252025
Merchant Signal Location Beacon
DOORDASH, Inc.
0 cites
US118872072024
Merchant Signal Location Beacon
DOORDASH, Inc.
0 cites
US118617552024
Customer Signaling Location Beacon
Doordash, Inc.
0 cites