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Your search returned 103 patents.
( 713/173 in Current US Classification ) |
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| 1 2 |
| Patent ID | Title | Date Filed |
| 5677955 | Electronic funds transfer instruments
| April 7, 1995 |
| 5668878 | Secure cryptographic methods for electronic transfer of information
| August 31, 1995 |
| 5651068 | International cryptography framework
| March 8, 1995 |
| 5625695 | Process for generating DSA signatures with low-cost portable apparatuses
| November 30, 1994 |
| 5623547 | Value transfer system
| March 6, 1995 |
| 5590197 | Electronic payment system and method
| April 4, 1995 |
| 5577121 | Transaction system for integrated circuit cards
| June 9, 1994 |
| 5568552 | Method for providing a roving software license from one node to another node
| June 7, 1995 |
| 5539828 | Apparatus and method for providing secured communications
| May 31, 1994 |
| 5530749 | Methods and apparatus for secure hardware configuration
| June 2, 1995 |
| 5502765 | Method and apparatus for settlement of accounts by IC cards
| October 31, 1994 |
| 5473692 | Roving software license for a hardware agent
| September 7, 1994 |
| 5453601 | Electronic-monetary system
| November 15, 1991 |
| 5446796 | Method and apparatus for settlement of accounts by IC cards
| October 31, 1994 |
| 5440634 | Value transfer system
| August 16, 1993 |
| 5406624 | Data processor systems
| September 2, 1993 |
| 5396558 | Method and apparatus for settlement of accounts by IC cards
| September 13, 1993 |
| 5379344 | Smart card validation device and method
| December 23, 1992 |
| 5307411 | Means for identification and exchange of encryption keys
| September 11, 1992 |
| 5224162 | Electronic cash system
| June 8, 1992 |
| 5218637 | Method of transferring a secret, by the exchange of two certificates between two microcomputers which establish reciprocal authorization
| June 11, 1991 |
| 5128997 | Wired microcircuit card and a method for transactions between a corresponding wired microcircuit card and a terminal
| July 17, 1990 |
| 4977595 | Method and apparatus for implementing electronic cash
| March 28, 1990 |
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