Granted Patent
Utility
US 4,909,605 · App. 07/094,136
Liquid crystal display device
Inventors:
Kazuo Asano, Kazuo Arai, Shinichi Nishi
Patented Case
View Patent ↗
Granted: Mar 20, 1990
Filed: Sep 4, 1987
Inventors
Kazuo Asano
Kazuo Arai
Shinichi Nishi
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.
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.