Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5226075 | Method of and apparatus for numbering and routing calls through a communication network | Michael W. Funk, David Frederick McGuigan | 1993-07-06 |
| 5185785 | Method and apparatus for recording and rating telecommunication transactions made over a communication network | Michael W. Funk, David Frederick McGuigan | 1993-02-09 |