Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6381533 | Method and system using positions of cellular phones matched to road network for collecting data | Joseph R. Roberts, Frank J. Kozak | 2002-04-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6381533 | Method and system using positions of cellular phones matched to road network for collecting data | Joseph R. Roberts, Frank J. Kozak | 2002-04-30 |