Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8175231 | Toll-free directory assistance with automatic selection of an advertisement from a category | — | 2012-05-08 |
| 8107602 | Directory assistance with data processing station | — | 2012-01-31 |
| 7702084 | Toll-free directory assistance with preferred advertisement listing | — | 2010-04-20 |
| 7212615 | Criteria based marketing for telephone directory assistance | — | 2007-05-01 |