Granted Patent
Utility
US 5,541,397 · App. 08/505,998
Hand held bar code scanning device having a manually operated optical trigger switch
Inventor:
Robert H. Walts
Patented Case
View Patent ↗
Granted: Jul 30, 1996
Filed: Jul 24, 1995
Inventor
Robert H. Walts
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.