Issued Patents All Time
Showing 26–50 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8767941 | Methods and systems for speed dialing | Leland W. Kirchhoff, Colin D. Kelley, David S. Trandal | 2014-07-01 |
| 8750469 | Methods and systems for call processing | Adrian Van Haaften, David Giannini, Eric T. Johnson, David F. Hofstatter, David S. Trandal +2 more | 2014-06-10 |
| 8744061 | Systems and methods for call screening | David J. Brahm, David S. Trandal | 2014-06-03 |
| 8718243 | Call processing and subscriber registration systems and methods | David S. Trandal, Robert J. Duva, John R. Day | 2014-05-06 |
| 8688092 | Methods and systems for managing telecommunications and for translating voice messages to text messages | Anthony Bladon, David Giannini, David F. Hofstatter, Colin D. Kelley, David C. McClintock +2 more | 2014-04-01 |
| 8542814 | Methods and systems for speed dialing | Leland W. Kirchhoff, Colin D. Kelley, David S. Trandal | 2013-09-24 |
| 8472592 | Methods and systems for call processing | Adrian Van Haaften, David Giannini, Eric T. Johnson, David F. Hofstatter, David S. Trandal +2 more | 2013-06-25 |
| 8472604 | Systems and methods for call screening | David J. Brahm, David S. Trandal | 2013-06-25 |
| 8457293 | Methods and systems for telephony call-back processing | David S. Trandal | 2013-06-04 |
| 8447285 | Methods and systems for managing telecommunications and for translating voice messages to text messages | Anthony Bladon, David Giannini, David F. Hofstatter, Colin D. Kelley, David C. McClintock +2 more | 2013-05-21 |
| 8351591 | Methods and apparatus for providing expanded telecommunications service | Leland W. Kirchhoff, David S. Trandal, Colin D. Kelley, David J. Brahm, David F. Hofstatter +1 more | 2013-01-08 |
| 8325901 | Methods and apparatus for providing expanded telecommunications service | Robert A. Dolan, David F. Hofstatter, David S. Trandal | 2012-12-04 |
| 8259911 | Call processing and subscriber registration systems and methods | David S. Trandal, Robert J. Duva, John R. Day | 2012-09-04 |
| 8107609 | Methods and systems for telephony call-back processing | David S. Trandal | 2012-01-31 |
| 8085922 | Methods and systems for speed dialing | Leland W. Kirchhoff, Colin D. Kelley, David S. Trandal | 2011-12-27 |
| 8064588 | Systems and methods for call screening | David J. Brahm, David S. Trandal | 2011-11-22 |
| 8044388 | Method of forming a carbon nanotube-based contact to semiconductor | Jonathan W. Ward, Benjamin Schlatka, Mitchell Meinhold, Brent M. Segal | 2011-10-25 |
| 8000455 | Methods and systems for call processing | Adrian Van Haaften, David Giannini, Eric T. Johnson, David F. Hofstatter, David S. Trandal +2 more | 2011-08-16 |
| 7855969 | Selective test point for high speed SERDES cores in semiconductor design | Danny C. Vogel, Bryan Robb | 2010-12-21 |
| 7852749 | Methods and systems for routing telecommunications | Garrett Mickle, David S. Trandal | 2010-12-14 |
| 7822188 | Methods and apparatus for providing expanded telecommunications service | Leland W. Kirchhoff, David S. Trandal, Colin D. Kelley, David J. Brahm, David F. Hofstatter +1 more | 2010-10-26 |
| 7636428 | Systems and methods for call screening | David J. Brahm, David S. Trandal | 2009-12-22 |
| 7563711 | Method of forming a carbon nanotube-based contact to semiconductor | Jonathan W. Ward, Benjamin Schlatka, Mitchell Meinhold, Brent M. Segal | 2009-07-21 |
| 7555110 | Methods and apparatus for providing expanded telecommunications service | Robert A. Dolan, David F. Hofstatter, David S. Trandal | 2009-06-30 |
| 7409048 | Call processing and subscriber registration systems and methods | David S. Trandal, Robert J. Duva, John R. Day | 2008-08-05 |