Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7356129 | Apparatus for locating a station initiating transmission of an emergency message in a network having multiple transmission sources | — | 2008-04-08 |
| 6711247 | Multi-line telephone system emergency call processing | John Needham | 2004-03-23 |
| 5347567 | Apparatus and method for identifying a calling station | Gordan Osgood | 1994-09-13 |
| 5347568 | Emergency call station identification system | Donald Madson, Gordan Osgood | 1994-09-13 |
| 5235630 | Emergency call station identification system and method | Donald Madson, Gordan Osgood | 1993-08-10 |