Granted Patent
Utility
US 5,019,698 · App. 07/390,020
Bar code reading systems having electrical power conservation and laser radiation power limiting means
Inventor:
Jay M. Eastman
Patented Case
View Patent ↗
Granted: May 28, 1991
Filed: Aug 7, 1989
Inventor
Jay M. Eastman
Assignee (at issue)
Photographic Sciences Corporation
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.