Granted Patent
Utility
US 6,721,074 · App. 09/311,600
Double side scanner module
Inventor:
Will Kao
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: May 13, 1999
Inventor
Will Kao
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.