Granted Patent
Utility
US 5,861,622 · App. 08/790,850
Handy scanner having scanning path straightness-maintaining mechanism
Inventor:
Jenn-Tsair Tsai
Patented Case
View Patent ↗
Granted: Jan 19, 1999
Filed: Feb 3, 1997
Inventor
Jenn-Tsair Tsai
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.