Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8484370 | Method and system for efficient extended data communications using GPRS | John Coffee, Terry Gin, David B. Anderson | 2013-07-09 |
| 7489993 | Vehicle tracking, communication and fleet management system | John Coffee, David A. Dye, Robert W. Lewis | 2009-02-10 |
| 6892131 | Vehicle tracking, communication and fleet management system | John Coffee, Richard Rudow, Robert F. Allen, Mark Billings, David A. Dye +4 more | 2005-05-10 |
| 6611755 | Vehicle tracking, communication and fleet management system | John Coffee, Richard Rudow, Robert F. Allen, Mark Billings, David A. Dye +4 more | 2003-08-26 |