Granted Patent
Utility
US 5,631,111 · App. 08/588,962
Method for producing color filters
Inventors:
Chao Niu, Hsien-Kuang Lin, Hua-Chi Cheng, Pao-Ju Hsieh
Patented Case
View Patent ↗
Granted: May 20, 1997
Filed: Jan 19, 1996
Inventors
Chao Niu
Hsien-Kuang Lin
Hua-Chi Cheng
Pao-Ju Hsieh
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.