Granted Patent
Utility
US 5,675,138 · App. 08/291,839
Non-contact actuated trigger apparatus for bar code laser scanner
Inventor:
Chay La
Patented Case
View Patent ↗
Granted: Oct 7, 1997
Filed: Aug 17, 1994
Inventor
Chay La
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.