Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6563795 | Method of tracing the root of virtual connections | John G. Gruber, Richard Vickers | 2003-05-13 |
| 5901141 | Method of tracing the route of virtual connections | John G. Gruber, Richard Vickers | 1999-05-04 |
| 5675578 | Method of tracing the route of virtual connections | John G. Gruber, Richard Vickers | 1997-10-07 |
| 5450394 | Delay monitoring of telecommunication networks | John G. Gruber, Anil Chandan | 1995-09-12 |