Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5325444 | Method and apparatus for determining the frequency of words in a document without document image decoding | Todd A. Cass, Daniel P. Huttenlocher, Ronald M. Kaplan, M. Margaret Withgott | 1994-06-28 |
| 5278980 | Iterative technique for phrase query formation and an information retrieval system employing same | Jan O. Pedersen, Douglass R. Cutting, John W. Tukey, Eric A. Bier, Daniel G. Bobrow | 1994-01-11 |