Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6108404 | Method and system for testing a connection in a telephone network using interactive telephone response module | Earl L. Mannas | 2000-08-22 |
| 5917896 | Bridgeable fax monitor for help desk support | Haroon I. Alvi, Bruce J. DeGrasse | 1999-06-29 |
| 5748876 | System and method for testing acoustic modems with semantically encoded waveforms | — | 1998-05-05 |
| 5448624 | Telephone network performance monitoring method and system | Thomas H. Johnson | 1995-09-05 |
| 5241584 | Response time evaluation unit | Thomas H. Johnson | 1993-08-31 |