DM

David L. Martin

🗺 California: #8,996 of 28,521 inventorsTop 35%
Overall (2003): #240,866 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
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