Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9800416 | Distributed validation of digitally signed electronic documents | Philip Levy, Marc T. Kaufman, John Landwehr | 2017-10-24 |
| 9768965 | Methods and apparatus for validating a digital signature | Marc T. Kaufman, Philip Levy | 2017-09-19 |