Granted Patent
Utility
US 6,604,049 · App. 09/960,156
Spatial information using system, system for obtaining information, and server system
Inventor:
Sohichi Yokota
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Sep 21, 2001
Inventor
Sohichi Yokota
Assignee (at issue)
International Business Machines Corporation
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.