Granted Patent
Utility
US 5,914,871 · App. 09/115,525
Device for multi-stage illuminance control for light source of scanner
Inventors:
John Lin, Ching-Chang Lin
Patented Case
View Patent ↗
Granted: Jun 22, 1999
Filed: Jul 13, 1998
Inventors
John Lin
Ching-Chang Lin
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.