Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8144843 | System and method for accessing a messaging service using a short dialing sequence | Tricia Ehlers Henry, Margaret Jean Andrietsch, Diana Inara Tiliks, Rodney T Brand, Carlos Donoso | 2012-03-27 |
| 7567655 | System and method for accessing a messaging service using a short dialing sequence | Tricia Ehlers Henry, Margaret Jean Andrietsch, Diana Inara Tiliks, Rodney T Brand, Carlos Donoso | 2009-07-28 |
| 6718018 | System and method for accessing a messaging service using a short dialing sequence | Tricia Ehlers Henry, Margaret Jean Andrietsch, Diana Inara Tiliks, Rodney T Brand, Carlos Donoso | 2004-04-06 |
| 6453018 | System and method for accessing a messaging service using a short dialing sequence | Tricia Ehlers Henry, Margaret Jean Andrietsch, Diana Inara Tiliks, Rodney T Brand, Carlos Donoso +1 more | 2002-09-17 |