Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6925163 | System and method for performing a task with telephone line settings on a switch through a telephone call | Robert Koch | 2005-08-02 |
| 6718027 | System and method for performing a task with telephone line settings on a switch through a telephone call | Robert Koch | 2004-04-06 |