Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7471944 | Method and apparatus for identifying and tracking target subscribers in a universal mobile telephone system | Siegfried Steiger | 2008-12-30 |
| 7269387 | Method and apparatus for determining a distance between a base station and a mobile unit | Gunter Wolf | 2007-09-11 |