Granted Patent
Utility
US 6,326,607 · App. 09/335,488
Calibration device and method of a scanner
Inventor:
Yin-Chun Huang
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Jun 18, 1999
Inventor
Yin-Chun Huang
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.