Granted Patent
Utility
US 6,188,801 · App. 09/144,495
Method and apparatus for automatic image calibration for an optical scanner
Inventors:
Jenn-Tsair Tsai, Bill Chen
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Aug 31, 1998
Inventors
Jenn-Tsair Tsai
Bill Chen
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.