Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611755 | Vehicle tracking, communication and fleet management system | John Coffee, Robert F. Allen, Mark Billings, David A. Dye, Mark Louis Kirchner +4 more | 2003-08-26 |
| 6525690 | Golf course yardage and information system with zone detection | John Coffee, Douglas L. Lecker, Tuan Pham, Kirk Bingeman, Brad Garn | 2003-02-25 |