| 10216849 |
Personalized content recommendations |
George B. Davis, John O. Davies |
2019-02-26 |
| 8374540 |
Consolidated on-line assessment system |
Preston Cody, Georgi Stefanov Ivanov, John E. Perlow |
2013-02-12 |
| 7878810 |
Cognitive / non-cognitive ability analysis engine |
Jody S. Underwood, Diana Wright Cano |
2011-02-01 |
| 7162198 |
Consolidated Online Assessment System |
Preston Cody, Georgi Stefanov Ivanov, John E. Perlow |
2007-01-09 |
| 6816702 |
Consolidated online assessment system |
Preston Cody, Georgi Stefanov Ivanov, John E. Perlow |
2004-11-09 |
| 6000945 |
System and method for computer based test assembly |
Teresa Sanchez-Lazer, Richard Burns, Gary Driscoll, Linda Tyler, Barbara Keener +1 more |
1999-12-14 |
| 5987302 |
On-line essay evaluation system |
Gary Driscoll, Lou A. Hatfield, Arlene Johnson, Helen D. Kahn, Theodore E. Kessler +3 more |
1999-11-16 |