Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5278980 | Iterative technique for phrase query formation and an information retrieval system employing same | Per-Kristian Halvorsen, Douglass R. Cutting, John W. Tukey, Eric A. Bier, Daniel G. Bobrow | 1994-01-11 |