Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7006616 | Teleconferencing bridge with EdgePoint mixing | Frank C. Christofferson | 2006-02-28 |
| 6807563 | Automatic teleconferencing control system | Frank C. Christofferson | 2004-10-19 |
| 6056881 | Bilge water cleaning device | Kurt Miller | 2000-05-02 |