Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8266452 | System and method for communicating confidential messages | Paul M. Dunn, Alan D. Gatzke | 2012-09-11 |
| 8103253 | System and method for transmitting messages to a wireless communication device | Alan D. Gatzke, Kevin L. Chestnut | 2012-01-24 |
| 7813483 | System and method for providing presence information to voicemail users | Alan D. Gatzke | 2010-10-12 |
| 7623633 | System and method for providing presence information to voicemail users | Alan D. Gatzke | 2009-11-24 |
| 7496625 | System and method for communicating messages between a text-based client and a voice-based client | Alan D. Gatzke, Joseph B. Burton | 2009-02-24 |