Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6675384 | Method and apparatus for information labeling and control | Robert S. Block | 2004-01-06 |
| 6377938 | Real time subscriber billing system and method | Robert S. Block, Richard Riccoboni, Alexander A. Wenger, Frederick H. Chapus, J. Roger Daugherty | 2002-04-23 |
| 4961206 | Data modem system | Martin Tomlinson | 1990-10-02 |
| 4700363 | Data communication method and apparatus | Martin Tomlinson | 1987-10-13 |