Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8149993 | Evaluating performance of a voice mail sub-system in an inter-messaging network | John E. Cline, Roger K. Ruppert | 2012-04-03 |
| 7933384 | Evaluating performance of a voice mail system in an inter-messaging network | John E. Cline, Roger K. Ruppert | 2011-04-26 |
| 7379535 | Evaluating performance of a voice mail sub-system in an inter-messaging network | John E. Cline, Roger K. Ruppert | 2008-05-27 |
| 7263173 | Evaluating performance of a voice mail system in an inter-messaging network | John E. Cline, Roger K. Ruppert | 2007-08-28 |
| 7263176 | Diagnostic checking of an inter-messaging network | John E. Cline, Roger K. Ruppert | 2007-08-28 |