Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823190 | System and method to anonymously test for proximity of mobile users without revealing individual phase space coordinates | Daniel A. Ford, James H. Kaufman | 2004-11-23 |
| 6757678 | Generalized method and system of merging and pruning of data trees | — | 2004-06-29 |
| 6718324 | Metadata search results ranking system | Stefan B. Edlund, Michael Lawrence Emens, Reiner Kraft, Shanghua Teng | 2004-04-06 |