Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7240599 | Electric rope | — | 2007-07-10 |
| 5951701 | Detection of loop-back conditions on faulty digital trunks | Tim Kuhl, Mark Kitowicz | 1999-09-14 |
| 5778003 | Loop-back detection using out-of-band signalling | Gary J. Puppa, Francois Bessette, Robert Hemmerich | 1998-07-07 |