Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7933716 | Azimuthal equidistant projection navigation display and method | Timothy C. Dropps, John Meeker, Mark Roff | 2011-04-26 |
| 4899293 | Method of storage and retrieval of digital map data based upon a tessellated geoid system | John Fredrick Dawson, III | 1990-02-06 |