Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816512 | Arrangement for managing multiple telephone lines terminating at a single location | David B. Lazarus, Yucheng Jin, Matthew Waight, Kevin T. Chang | 2004-11-09 |
| 6748050 | Method and apparatus for performing either tone analysis on a local looped-back communications path or utilizing a hybrid reflection based looped-back test to test integrity | David B. Lazarus, Jeffrey D. Ollis | 2004-06-08 |