Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7941842 | Method and apparatus for a non-revealing do-not-contact list system | — | 2011-05-10 |
| 7925704 | Method and system for a reliable distributed category-specific do-not-contact list | Arthur Keller, Lee Hahn Holloway, John D. Rodrigues, Dat Nguyen, Thomas M. Belote | 2011-04-12 |