Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6684053 | On-line educational system for processing exam questions and answers | Jon M. Dobrin | 2004-01-27 | $6,895,000 |
| 6678500 | On-line educational system for grading of assignments and posting grade information in an on-line gradebook | Jon M. Dobrin | 2004-01-13 | $6,313,000 |
| 6674992 | On-line educational system for document sharing | Jon M. Dobrin | 2004-01-06 | $6,542,000 |
| 6470171 | On-line educational system for display of educational materials | Jon M. Dobrin | 2002-10-22 | $1,184,000 |