Granted Patent
Utility
US 5,462,695 · App. 08/269,793
Chiral liquid crystal materials as dopant for ferroelectric liquid crystal compositions
Inventors:
Wen-Liang Tsai, Chein-Dhau Lee
Patented Case
View Patent ↗
Granted: Oct 31, 1995
Filed: Jun 30, 1994
Inventors
Wen-Liang Tsai
Chein-Dhau Lee
Assignee (at issue)
Industrial Technology Research Institute
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.