Patents/Inventors

Vishnuvajhala V. Subrahmanyam

Phoenix, AZUS1 patent

2 Patents

US124506002025
Systems and Methods for Blockchain Based Proof of Payment
AMERICAN EXPRESS TRAVEL RELATED SERVICES COMPANY, Inc.
0 cites
US122882032025
Systems and Methods for an Electronic Wallet Payment Tool
American Express Travel Related Services Company, Inc.
0 cites