Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644626 | Apparatus and method for connecting telephone calls using automated paging and call bridging | Ralph Carlsen, John S. Robertson | 1997-07-01 |
| 5608782 | Telephone call connection method with automated paging and call bridging | Ralph Carlsen, John S. Robertson | 1997-03-04 |