Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8594287 | Methods and apparatus for providing expanded telecommunications service | Robert A. Dolan, David F. Hofstatter | 2013-11-26 |
| 7688958 | Methods and apparatus for providing expanded telecommunications service | Robert A. Dolan, David F. Hofstatter | 2010-03-30 |