Granted Patent
Utility
US 6,812,925 · App. 10/021,645
Map simplification system
Inventors:
Shankar Krishnan, Suresh Venkatasubramanian, Nabil Mustafa
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Oct 30, 2001
Inventors
Shankar Krishnan
Suresh Venkatasubramanian
Nabil Mustafa
Assignee (at issue)
AT&T CORP.
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.