Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9852393 | Cannabis chain of custody management | — | 2017-12-26 |
| 8060409 | Certification and activation of used phones purchased through an online auction | David Steinberg | 2011-11-15 |
| 7493105 | Certification and activation of used phones on a wireless carrier network | David Steinberg | 2009-02-17 |