Granted Patent
Utility
US 6,162,485 · App. 09/073,959
Fingerprinting system and method
Inventor:
John C. H. Chang
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: May 7, 1998
Inventor
John C. H. Chang
Assignee (at issue)
Wallace Computer Services, 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.