Granted Patent
Utility
US 5,010,241 · App. 07/296,997
Sensor array and illumination system for a large depth-of-field bar code scanner
Inventor:
Mark Melvin Butterworth
Patented Case
View Patent ↗
Granted: Apr 23, 1991
Filed: Jan 12, 1989
Inventor
Mark Melvin Butterworth
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.