Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081337 | Facsimile telecommunications system and method | David S. Trandal, David J. Brahm, Robert A. Dolan, David F. Hofstatter | 2011-12-20 |
| 8031360 | Methods and systems for fax routing | David S. Trandal | 2011-10-04 |
| 7965825 | Methods and systems for transferring voice messages and faxes over a network | Scott Herriman, Ivan Johannessen, David S. Trandal, Donnie Tognazzini, Russell T. Williams +1 more | 2011-06-21 |
| 7869076 | Facsimile telecommunications system and method | David S. Trandal, David J. Brahm, Robert A. Dolan, David F. Hofstatter | 2011-01-11 |
| 7839987 | Methods and systems for creating a dynamic call log and contact records | David S. Trandal | 2010-11-23 |
| 7822188 | Methods and apparatus for providing expanded telecommunications service | David S. Trandal, Colin D. Kelley, David J. Brahm, Robert F. Smith, David F. Hofstatter +1 more | 2010-10-26 |
| 7808671 | Methods and systems for fax routing | David S. Trandal | 2010-10-05 |
| 7480065 | Facsimile telecommunications system and method | David S. Trandal, David J. Brahm, Robert A. Dolan, David F. Hofstatter | 2009-01-20 |
| 7474432 | Methods and systems for fax routing | David S. Trandal | 2009-01-06 |