Granted Patent
Utility
US 4,928,041 · App. 07/306,985
Flat display device
Inventors:
Uwe Mayer, Kurt M. Tischer
Patented Case
View Patent ↗
Granted: May 22, 1990
Filed: Feb 6, 1989
Inventors
Uwe Mayer
Kurt M. Tischer
Assignee (at issue)
Nokia Graetz
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.