Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9129428 | Map tile selection in 3D | Aroon Pahwa, Edward Kandrot, Christopher Blumenberg, Jeffrey H. Hultquist, Billy Chen +1 more | 2015-09-08 |
| 9041736 | Method, system and apparatus for rendering a map according to a stylesheet | Jeffrey Paul McCurdy Hultquist, James A. Howard, Christopher Blumenberg | 2015-05-26 |