Inventor

WANKMUELLER JOHN

US19 patents

⚠️ This page may combine multiple inventors who share the name “WANKMUELLER JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WANKMUELLER JOHN

MASTERCARD INTERNATIONAL INC

Method and system for conducting transactions using a payment card with two technologies

Asymmetric encrypted pin

Method and system for making small payments using a payment card

Method and system for conducting secure electronic commerce transactions with authorization request data loop-back

System and method for global internet digital identification

System and method for secure telephone and computer transactions using voice authentication

Apparatus and method for generating an electronic-commerce personal identification number cryptographically related to an ATM personal identification number

Payment device with audio and/or visual capability and associated method

WANKMUELLER JOHN

System and method for conducting electronic commerce with a remote wallet server

Proxy authentication methods and apparatus

Method and system for authorizing a transaction using a dynamic authorization code

Method and system for performing a transaction using a dynamic authorization code

Systems and methods for mutual authentication using one time codes

Systems and methods for mutual authentication using one time codes

System and method for secure telephone and computer transactions using voice authentication

MASTERCARD INTERNAT

Method and system for conducting transactions using a payment card with two technologies

RUTHERFORD BRUCE

Customer authentication in E-commerce transactions

ENGLEBARDT LELAND STANFORD

Payment device with audio and/or visual capability and associated method

FORAN-OWENS ELIZABETH M

All-in-one proximity payment device with local authentication