Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699402 | 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 |