Granted Patent
Utility
US 5,747,938 · App. 08/445,494
Automatic control electroluminescent backlight panel
Inventor:
Paul Beard
Patented Case
View Patent ↗
Granted: May 5, 1998
Filed: May 22, 1995
Inventor
Paul Beard
Assignee (at issue)
Norand 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.