Issued Patents All Time
Showing 51–75 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8917821 | Device independent text captioned telephone service | Kevin R. Colwell, Troy Vitek | 2014-12-23 |
| 8917822 | System for text assisted telephony | Kevin R. Colwell | 2014-12-23 |
| 8908838 | System for text assisted telephony | Kevin R. Colwell | 2014-12-09 |
| 8515024 | Captioned telephone service | Kevin R. Colwell, Troy Vitek | 2013-08-20 |
| 8416925 | Device independent text captioned telephone service | Kevin R. Colwell, Troy Vitek | 2013-04-09 |
| 7881441 | Device independent text captioned telephone service | Kevin R. Colwell, Troy Vitek, Kurt M. Gritner | 2011-02-01 |
| 7660398 | Captioned telephone service | Kevin R. Colwell, Troy Vitek | 2010-02-09 |
| 7555104 | Relay for personal interpreter | — | 2009-06-30 |
| 7319740 | System for text assisted telephony | Kevin R. Colwell | 2008-01-15 |
| 7164753 | Real-time transcription correction system | Kevin R. Colwell, Troy Vitek, Kurt Grittner, Jayne M. Turner, Pamela A. Frazier | 2007-01-16 |
| 7006604 | Relay for personal interpreter | — | 2006-02-28 |
| 7003082 | System for text assisted telephony | Kevin R. Colwell | 2006-02-21 |
| 6934366 | Relay for personal interpreter | Kevin R. Colwell, Troy Vitek, Kurt M. Gritner | 2005-08-23 |
| 6885731 | Captioned telephone with emergency access feature | Kevin R. Colwell, Christopher Engelke | 2005-04-26 |
| 6882707 | Method and apparatus for training a call assistant for relay re-voicing | Kevin R. Colwell, Troy Vitek, Kurt M. Gritner, Jayne M. Turner, Pamela A. Frazier | 2005-04-19 |
| 6748053 | Relay for personal interpreter | Kevin R. Colwell | 2004-06-08 |
| 6603835 | System for text assisted telephony | Kevin R. Colwell | 2003-08-05 |
| 6594346 | Relay for personal interpreter | — | 2003-07-15 |
| 6567503 | Real-time transcription correction system | Kevin R. Colwell, Troy Vitek, Kurt M. Gritner, Jayne M. Turner, Pamela A. Frazier | 2003-05-20 |
| 6549611 | Text enhanced telephony | Kevin R. Colwell | 2003-04-15 |
| 6510206 | Relay for personal interpreter | Kevin R. Colwell | 2003-01-21 |
| 6504910 | Voice and text transmission system | Kevin R. Colwell, Troy Vitek, Jeffrey L. Havens, Kurt Grittner, Dean Hofstetter +1 more | 2003-01-07 |
| 6493426 | Relay for personal interpreter | Kevin R. Colwell, Troy Vitek, Kurt M. Gritner | 2002-12-10 |
| 6307921 | Text enhanced telephony | Kevin R. Colwell | 2001-10-23 |
| 6233314 | Relay for personal interpreter | — | 2001-05-15 |