Granted Patent
Utility
US 5,798,522 · App. 08/828,809
Method of driving a cassette scanning system
Inventor:
John Lin
Patented Case
View Patent ↗
Granted: Aug 25, 1998
Filed: Apr 3, 1997
Inventor
John Lin
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.