Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8667566 | Audio based human-interaction proof | Jonathan Lazar, Timothy I. Brooks, Genna Melamed, Junjuan Feng | 2014-03-04 |
| 8245277 | Universally usable human-interaction proof | Jonathan Lazar, Harry Hochheiser, Jinjuan Feng, Graig Sauer | 2012-08-14 |