Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9218426 | Apparatus and method for personalized delivery of content from multiple data sources | Douglas E. Appelt, Min Yin, William Jarrold | 2015-12-22 |
| 6601026 | Information retrieval by natural language querying | Douglas E. Appelt, James F. Arnold, John S. Bear, Jerry Robert Hobbs, David Israel +5 more | 2003-07-29 |