| 7434139 |
Remote module for a communications network |
Bruce R. Barton, Paul R. Hartmann |
2008-10-07 |
| 6910167 |
Remote module for a communications network |
Bruce R. Barton, Paul R. Hartmann |
2005-06-21 |
| 6091712 |
Method and apparatus for storing and retrieving performance data collected by a network interface unit |
Kevin Pope, Daniel A. Strich, Paul R. Hartmann, Edward T. Ellebracht, Douglas B. Ramsayer |
2000-07-18 |
| 5790531 |
Method and apparatus for determining the origin of a remote alarm indication signal |
Edward T. Ellebracht, Paul R. Hartmann, Ramone A. Hecker, Kevin Pope |
1998-08-04 |
| 5774456 |
Method and apparatus for adopting performance report messages in a telecommunications system |
Edward T. Ellebracht, Paul R. Hartmann, Ramone A. Hecker, Kevin Pope |
1998-06-30 |
| 5757776 |
Method and apparatus for determining the origin of an alarm indication signal |
Edward T. Ellebracht, Paul R. Hartmann, Ramone A. Hecker, Kevin Pope |
1998-05-26 |
| 5566161 |
Adaptive DS1 frame format conversion device for remotely monitoring and testing the performance of telephone circuits |
Paul R. Hartmann, Raymond L. Behr, George A. Wissing, Robert G. Young, Ramone A. Hecker +1 more |
1996-10-15 |
| 5317278 |
Switched active fault locate filter |
Albert H. Miller |
1994-05-31 |