Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5502762 | System and method for simultaneously controlling ringing at local and remote telephones | Brian J. Andrew | 1996-03-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5502762 | System and method for simultaneously controlling ringing at local and remote telephones | Brian J. Andrew | 1996-03-26 |