Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7995796 | System for road sign sheeting classification | James E. Retterath | 2011-08-09 |
| 7941269 | Network-based navigation system having virtual drive-thru advertisements integrated with actual imagery from along a physical route | Jamie E. Retterath | 2011-05-10 |