Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6058102 | Method and apparatus for performing service level analysis of communications network performance metrics | R. Scott Drysdale, James D. Ennis, Jr., John E. Hasselkus, Thomas R. Nisbet, Kenneth J. Rehbehn +1 more | 2000-05-02 |
| 5867483 | Method and apparatus for measurement of peak throughput in packetized data networks | James D. Ennis, Jr., John E. Hasselkus, Robert Norberg, Matthew A. Tucker | 1999-02-02 |
| 5521907 | Method and apparatus for non-intrusive measurement of round trip delay in communications networks | James D. Ennis, Jr., John E. Hasselkus, Thomas R. Nisbet | 1996-05-28 |