Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5802158 | Method and apparatus for providing an alarm call to a remotely located user using a DISA line in a private exchange | — | 1998-09-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5802158 | Method and apparatus for providing an alarm call to a remotely located user using a DISA line in a private exchange | — | 1998-09-01 |