Granted Patent
Utility
US 5,434,404 · App. 07/775,738
Linear scanner apparatus for communicating with a data card
Inventors:
Yiu T. Liu, Lang Nguyen, Joseph Y. Kwong, Stanley Y. W. Lui
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Oct 11, 1991
Inventors
Yiu T. Liu
Lang Nguyen
Joseph Y. Kwong
Stanley Y. W. Lui
Assignee (at issue)
VeriFone, 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.