Granted Patent
Utility
US 6,263,117 · App. 09/170,224
Automatic image calibration method for a contact type scanner
Inventor:
Chen-Ho Lee
Patented Case
View Patent ↗
Granted: Jul 17, 2001
Filed: Oct 13, 1998
Inventor
Chen-Ho Lee
Assignee (at issue)
Umax Data Systems, 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.