Granted Patent
Utility
US 5,674,575 · App. 08/423,728
Liquid crystal aligning film and liquid crystal display device using it
Inventors:
Yukino Abe, Shizuo Murata
Patented Case
View Patent ↗
Granted: Oct 7, 1997
Filed: Apr 18, 1995
Inventors
Yukino Abe
Shizuo Murata
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.