Granted Patent
Utility
US 6,278,808 · App. 09/239,407
Method and apparatus for obtaining relative and absolute modifying factors for image scanning apparatus
Inventors:
Jenn-Tsair Tsai, Bill Chen
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Jan 28, 1999
Inventors
Jenn-Tsair Tsai
Bill Chen
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.