Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10055735 | Delayed transit fare assessment | Ayman Hammad, Khalid El-Awady | 2018-08-21 |
| 9704087 | Apparatus and method to electromagnetically shield portable consumer devices | Ayman Hammad | 2017-07-11 |
| 9256875 | Processing transactions of different payment devices of the same issuer account | Ayman Hammad, Khalid El-Awady | 2016-02-09 |
| 8973818 | Processing transactions of different payment devices of the same issuer account | Ayman Hammad, Khalid El-Awady | 2015-03-10 |
| 8827156 | Mobile payment device | Ayman Hammad | 2014-09-09 |
| 8825517 | On-line authorization in access environment | Ayman Hammad, Khalid El-Awady, Patrick Faith, Mark Carlson | 2014-09-02 |
| 8746556 | Open system account remote validation for access | Ayman Hammad, Khalid El-Awady | 2014-06-10 |
| 8733663 | Mobile phone containing contactless payment card used in transit fare collection | Ayman Hammad, Brian Triplett | 2014-05-27 |
| 8688554 | Bank issued contactless payment card used in transit fare collection | Ayman Hammad, Brian Triplett | 2014-04-01 |
| 8523069 | Mobile transit fare payment | Ayman Hammad | 2013-09-03 |
| 8448852 | Open system account remote validation for access | Ayman Hammad, Khalid El-Awady | 2013-05-28 |
| 8427317 | Apparatus and method to electromagnetically shield portable consumer devices | Ayman Hammad | 2013-04-23 |
| 8412640 | Signature based negative list for off line payment device validation | Ayman Hammad, William Alexander Thaw, Christian Aabye | 2013-04-02 |
| 8407082 | Aggregation of validated transactions for settlement | Khalid El-Awady | 2013-03-26 |
| 8376227 | Smart sign mobile transit fare payment | Ayman Hammad | 2013-02-19 |
| 8256666 | Processing transactions of different payment devices of the same issuer account | Ayman Hammad, Khalid El-Awady | 2012-09-04 |
| 8145191 | Apparatus and method for preventing wireless interrogation of phones | Ayman Hammad | 2012-03-27 |
| 8118223 | Smart sign mobile transit fare payment | Ayman Hammad | 2012-02-21 |
| 7809652 | Signature based negative list for off line payment device validation | Ayman Hammad, William Alexander Thaw, Christian Aabye | 2010-10-05 |
| 7567920 | On-line authorization in access environment | Ayman Hammad, Khalid El-Awady, Patrick Faith, Mark Carlson | 2009-07-28 |
| 7527208 | Bank issued contactless payment card used in transit fare collection | Ayman Hammad, Brian Triplett | 2009-05-05 |
| 7522905 | Apparatus and method for preventing wireless interrogation of portable consumer devices | Ayman Hammad | 2009-04-21 |
| 7482925 | Apparatus and method to electromagnetically shield portable consumer devices | Ayman Hammad | 2009-01-27 |
| 7227449 | Multiple protocol smart card communication device | Walter C. Bonneau, Jr., Tom Vilhelmsen, Carlos Ribeiro, Stefan Rousseau | 2007-06-05 |
| 6577229 | Multiple protocol smart card communication device | Walter C. Bonneau, Jr., Tom Vilhelmsen, Carlos Ribeiro, Stefan Rousseau | 2003-06-10 |