Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7324516 | Data packet header conversion | William Daniel | 2008-01-29 |
| 5521903 | Port system for interfacing digital PBX to digital transmission facility | Michael J. English, Michel L. Hearn, Douglas A. Spencer, Jeffrey A. Williams, Jerome J. Zelenski | 1996-05-28 |
| 5305308 | Wireless access telephone-to-telephone network interface architecture | Michael J. English, Charles Y. Farwell, Michael Lee Hearn, Richard M. Heidebrecht, Paul E. Miller +6 more | 1994-04-19 |
| 5195090 | Wireless access telephone-to-telephone network interface architecture | Brian D. Bolliger, Talmage P. Bursh, Jr., Marc K. Dennison, Michael J. English, Charles Y. Farwell +14 more | 1993-03-16 |