Granted Patent
Utility
US 6,829,690 · App. 09/576,779
Method and system for accessing spatially organized geographic data in blocks
Inventor:
Richard A. Ashby
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: May 23, 2000
Inventor
Richard A. Ashby
Assignee (at issue)
Navteq North America, LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.