Granted Patent
Utility
US 5,621,556 · App. 08/453,732
Method of manufacturing active matrix LCD using five masks
Inventors:
Ronald T. Fulks, William Yao, Chuang-Chuang Tsai
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: May 30, 1995
Inventors
Ronald T. Fulks
William Yao
Chuang-Chuang Tsai
Assignee (at issue)
Xerox 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.