Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5455827 | Multi-processing and direct routing of signalling protocols in voice communication channels | Donald J. Krause, Jason Dove | 1995-10-03 | $1,867,000 |
| 5444773 | Method for releasing unnecessary trucks from a telephone call | Paul Hirsohn, Virginia Ellen Lacker | 1995-08-22 | $4,862,000 |
| 5212726 | Method of combining signals in a telephone conference circuit | Ginny Lacker, Paul Hirsohn, Karen Bell, Darryl Paffenroth, Allen Jackson +1 more | 1993-05-18 | $7,580,000 |