Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6321158 | Integrated routing/mapping information | David M. DeLorme, Keith Gray, Keith A. Moulton | 2001-11-20 |
| D421931 | Surface ornamentation for maps and travel related devices | Dale Akeley | 2000-03-28 |
| D416502 | Global positioning system receiver with sculptural depression | Dale Akeley, Thomas Arnold | 1999-11-16 |