Granted Patent
Utility
US 6,366,330 · App. 09/469,548
Cholesteric liquid crystal display that prevents image sticking
Inventors:
Asad A. Khan, Xiao-Yang Huang
Patented Case
View Patent ↗
Granted: Apr 2, 2002
Filed: Dec 22, 1999
Inventors
Asad A. Khan
Xiao-Yang Huang
Assignee (at issue)
Kent Displays, Inc.
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.