Granted Patent
Utility
US 6,494,374 · App. 09/693,871
Scanner which can scan transparent and reflective documents with only one light source
Inventors:
Ping Wang, Lin-Ta Tseng
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Oct 23, 2000
Inventors
Ping Wang
Lin-Ta Tseng
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.