Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975928 | Multi-mode in-vehicle control unit with network selectivity for transmitting vehicle data for fleet management | Marvin R. Hamrick | 2005-12-13 |
| 6839614 | Multi-mode in-vehicle control unit with network selectivity for transmitting vehicle data for fleet management | Marvin R. Hamrick | 2005-01-04 |