Granted Patent
Utility
US 6,532,304 · App. 09/176,243
Matching geometric objects
Inventors:
Hongche Liu, Shyam Kuttikkad
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: Oct 21, 1998
Inventors
Hongche Liu
Shyam Kuttikkad
Assignee (at issue)
Tele Atlas North America, Inc.
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.