Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9256867 | Delivery of value identifiers using short message service (SMS) | John David Guest, Brian Roger Tagg | 2016-02-09 |
| 8474694 | Radio frequency identification purchase transactions | Phil M. Chakiris, Merrill Brooks Smith | 2013-07-02 |
| 7537152 | Delivery of value identifiers using short message service (SMS) | Phil M. Chakiris, Phillip Craig Graves, John David Guest | 2009-05-26 |
| 7472822 | Delivery of value identifiers using short message service (SMS) | John David Guest, Brian Roger Tagg | 2009-01-06 |