Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427071 | Apparatus and method for providing transporting for a control signal | John A. Adams, Robert A. Ruby | 2002-07-30 |
| 6405041 | Concurrent ringing on multiple network telephones | Sandip Mukerjee, Louis Michael Taff | 2002-06-11 |