Granted Patent
Utility
US 5,453,217 · App. 08/168,162
Liquid crystal composition and liquid crystal display device
Inventors:
Masaharu Keneko, Masami Kadowaki
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Dec 17, 1993
Inventors
Masaharu Keneko
Masami Kadowaki
Assignee (at issue)
MITSUBISHI CHEMICAL 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.