Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5444773 | Method for releasing unnecessary trucks from a telephone call | David Dayner, Virginia Ellen Lacker | 1995-08-22 |
| 5212726 | Method of combining signals in a telephone conference circuit | David Dayner, Ginny Lacker, Karen Bell, Darryl Paffenroth, Allen Jackson +1 more | 1993-05-18 |