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Your search returned 152 patents.
( 705/72 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 5363449 | Personal identification encryptor and method
| March 11, 1993 |
| 5361062 | Personal security system
| November 25, 1992 |
| 5351296 | Financial transmission system
| March 29, 1993 |
| 5343529 | Transaction authentication using a centrally generated transaction identifier
| September 28, 1993 |
| 5323465 | Access control
| June 4, 1993 |
| 5321751 | Method and apparatus for credit card verification
| February 18, 1993 |
| 5319710 | Method and means for combining and managing personal verification and message authentication encrytions for network transmission
| August 22, 1986 |
| 5317636 | Method and apparatus for securing credit card transactions
| December 9, 1992 |
| 5311594 | Fraud protection for card transactions
| March 26, 1993 |
| 5267315 | Secret identification number checking system
| April 12, 1992 |
| 5261000 | On-line terminal unit
| January 13, 1992 |
| 5239583 | Method and apparatus for improved security using access codes
| April 10, 1991 |
| 5233655 | Data access verification system
| February 19, 1991 |
| 5196840 | Secure communications system for remotely located computers
| November 5, 1990 |
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