Granted Patent
Utility
US 6,449,397 · App. 09/285,710
Image processing system for scanning a rectangular document
Inventor:
Yang Che-Chu
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Apr 5, 1999
Inventor
Yang Che-Chu
Assignee (at issue)
Mustek 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.