Granted Patent
Utility
US 6,495,218 · App. 09/555,955
Liquid crystal medium and electro-optic liquid crystal displays
Inventors:
Hitoshi Yamamoto, Kanetsugu Terashima, Hiroaki Kawashukuda
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Jun 7, 2000
Inventors
Hitoshi Yamamoto
Kanetsugu Terashima
Hiroaki Kawashukuda
Assignee (at issue)
Chisso 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.