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Predicting performance of telephone lines for data services |
David J. Groessl, Yun Zhang |
2007-08-28 |
| 6895081 |
Predicting performance of telephone lines for data services |
David J. Groessl, Yun Zhang |
2005-05-17 |
| 6741676 |
Determining the physical structure of subscriber lines |
Ilia Lazar Rudinsky |
2004-05-25 |
| 6590962 |
Method of performing non-interactive resistive fault location |
David J. Groessl, Yun Zhang |
2003-07-08 |
| 6389109 |
Fault conditions affecting high speed data services |
Roger Faulkner |
2002-05-14 |
| 6385297 |
Method and apparatus for qualifying loops for data services |
Roger Faulkner, Yun Zhang |
2002-05-07 |
| 6026145 |
Method and apparatus for fault segmentation in a telephone network |
Frank Bauer, David J. Groessl |
2000-02-15 |
| 6004276 |
Open architecture cardiology information system |
Gregory John Wright, Philip Scott Hochberg, Darcy B. Bellusci, Eric Brinster, Mark Willard Brinton +15 more |
1999-12-21 |
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Method and apparatus for high impedance ringer detection |
Richard G. Winkler, David J. Groessl |
1999-02-09 |
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Method and apparatus for fault segmentation in a telephone network |
Frank Bauer, Joseph S. Rosen, David J. Groessl |
1997-12-16 |
| 5644617 |
Method and apparatus for testing cables |
— |
1997-07-01 |