Granted Patent
Utility
US 5,780,829 · App. 08/792,216
Flat-plate scanner having a beam-splitting prism/mirror and two light emitting sources
Inventors:
Jenn-Tsair Tsai, Si-Min Chen
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Jan 31, 1997
Inventors
Jenn-Tsair Tsai
Si-Min 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.