Granted Patent
Utility
US 6,045,878 · App. 08/984,860
Electro-optical liquid-crystal display
Inventors:
Kazuaki Tarumi, Andreas Beyer, Volker Reiffenrath, Eike Poetsch
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Dec 4, 1997
Inventors
Kazuaki Tarumi
Andreas Beyer
Volker Reiffenrath
Eike Poetsch
Assignee (at issue)
Merck Patent GmbH
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.