Granted Patent
Utility
US 6,157,466 · App. 09/107,073
Hidden document-flattening device for scanner
Inventors:
Hsin-Hung Tu, Hsien-Che Hung
Patented Case
View Patent ↗
Granted: Dec 5, 2000
Filed: Jun 29, 1998
Inventors
Hsin-Hung Tu
Hsien-Che Hung
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.