| 9672515 |
Method and system for secure payments over a computer network |
Edward J. Hogan |
2017-06-06 |
| 7636694 |
Apparatus and method for generating an electronic-commerce personal identification number cryptographically related to an ATM personal identification number |
John Wankmueller |
2009-12-22 |
| 7379919 |
Method and system for conducting secure payments over a computer network |
Edward J. Hogan |
2008-05-27 |
| 7177848 |
Method and system for conducting secure payments over a computer network without a pseudo or proxy account number |
Edward J. Hogan |
2007-02-13 |
| 6990470 |
Method and system for conducting secure payments over a computer network |
Edward J. Hogan |
2006-01-24 |
| 6915279 |
System and method for conducting secure payment transactions |
Edward J. Hogan, Arthur D. Kranzley, Bruce Rutherford, Stephen Orfei |
2005-07-05 |
| 5396624 |
Account file for off-line transaction authorization |
— |
1995-03-07 |
| 4908521 |
Transaction approval system |
Elvis W. Boggan |
1990-03-13 |
| 4870259 |
Transaction approval system |
Elvis W. Boggan |
1989-09-26 |
| 4822985 |
Transaction approval system |
Elvis W. Boggan |
1989-04-18 |
| 4605820 |
Key management system for on-line communication |
— |
1986-08-12 |
| 4408203 |
Security system for electronic funds transfer system |
— |
1983-10-04 |
| 4369332 |
Key variable generator for an encryption/decryption device |
— |
1983-01-18 |
| 4314097 |
Authenticator device for precluding compensating text modifications in transmitted messages |
— |
1982-02-02 |
| 4304961 |
Authenticator code generator |
— |
1981-12-08 |
| 4259720 |
Security system for electronic funds transfer system |
— |
1981-03-31 |
