Granted Patent
Utility
US 5,539,556 · App. 08/223,002
Light-scattering mode liquid crystal display device, and a process for production thereof, having a transparent insoluble liquid material
Inventors:
Dietrich Demus, Etsuo Nakagawa
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: Apr 5, 1994
Inventors
Dietrich Demus
Etsuo Nakagawa
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.