| 9020853 |
Smart card loading transactions using wireless telecommunications network |
Steven R. Hoffman |
2015-04-28 |
| 8805746 |
Smart card purchasing transactions using wireless telecommunications network |
Steven R. Hoffman |
2014-08-12 |
| 8533116 |
Internet payment, authentication and loading system using virtual smart card |
Virgil M. Davis, Margaret Reid, Steve Hoffman |
2013-09-10 |
| 8417631 |
Smart card loading transactions using wireless telecommunications network |
Steven R. Hoffman |
2013-04-09 |
| 8175973 |
Internet payment, authentication and loading system using virtual smart card |
Virgil M. Davis, Margaret Reid, Steve Hoffman |
2012-05-08 |
| 8082211 |
Smart card purchase transactions using wireless telecommunications network |
Stephen HOFFMAN |
2011-12-20 |
| 8078532 |
Smart card loading transactions using wireless telecommunications networks |
Stephen HOFFMAN |
2011-12-13 |
| 8019684 |
Smart card load and purchase transactions using wireless telecommunications network |
Stephen HOFFMAN |
2011-09-13 |
| 7908216 |
Internet payment, authentication and loading system using virtual smart card |
Virgil M. Davis, Margaret Reid, Steve Hoffman |
2011-03-15 |
| 7729986 |
Smart card transactions using wireless telecommunications network |
Steven R. Hoffman |
2010-06-01 |
| 6282522 |
Internet payment system using smart card |
Virgil M. Davis, Michael Berg, Fredrick Conklin, Steven John Pringle |
2001-08-28 |
| 6105008 |
Internet loading system using smart card |
Virgil M. Davis, Michael Berg, Frederick Conklin, Steven John Pringle |
2000-08-15 |