Granted Patent
Utility
US 6,721,072 · App. 09/661,469
Apparatus for scanning documents in front of a document plate
Inventors:
Jenn-Tsair Tsai, Albert Lu, Emmet Chen
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Sep 13, 2000
Inventors
Jenn-Tsair Tsai
Albert Lu
Emmet 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.