Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459892 | Method for processing chat messages in a wireless chat device | Jennifer Yates, Dan Troutman | 2002-10-01 |
| 6445790 | Digital tone generator | James H. Carlquist, John R. Oakley | 2002-09-03 |
| 6400821 | Digital tone generator | James H. Carlquist, John R. Oakley | 2002-06-04 |
| 6351656 | Method and apparatus for displaying a message which has been received | Kenneth Lerner | 2002-02-26 |