Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9286645 | Academic activity stream | D. Drake Callahan, Amy Y. Huang, Douglas P. Britsch | 2016-03-15 |
| 8402020 | Academic activity stream | D. Drake Callahan, Amy Y. Huang, Douglas P. Britsch | 2013-03-19 |
| 8341148 | Academic activity stream | D. Drake Callahan, Amy Y. Huang, Douglas P. Britsch | 2012-12-25 |