Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10963886 | Electronic transaction security system and method | Ronald W. Sandstrom, Ludwik F. Zon | 2021-03-30 |
| 9430770 | Electronic transaction security system and method | Ronald W. Sandstrom, Ludwik F. Zon | 2016-08-30 |
| 9004351 | Electronic transaction security system and method | Ronald W. Sandstrom, Ludwik F. Zon | 2015-04-14 |
| 8181861 | Electronic transaction security system and method | Ronald W. Sandstrom, Ludwik F. Zon | 2012-05-22 |
| 7107242 | Electronic transaction security method | Ronald W. Sandstorm | 2006-09-12 |