Granted Patent
Utility
US 6,345,110 · App. 09/321,391
Identifying images using a tree structure
Inventors:
Sourabh Niyogi, William T. Freeman
Patented Case
View Patent ↗
Granted: Feb 5, 2002
Filed: May 27, 1999
Inventors
Sourabh Niyogi
William T. Freeman
Assignee (at issue)
Mitsubishi Electric Research Laboratories, 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.