Granted Patent
Utility
US 5,576,531 · App. 08/529,350
Hand held bar code scanning device having a manually operated optical trigger switch
Inventor:
Joseph F. Murphy
Patented Case
View Patent ↗
Granted: Nov 19, 1996
Filed: Sep 18, 1995
Inventor
Joseph F. Murphy
Assignee (at issue)
PSC, 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.