Granted Patent
Utility
US 6,740,256 · App. 10/404,560
Chiral swallow-tailed liquid crystal and its fabrication method
Inventors:
Shune-Long Wu, Wen-Jiunn Hsieh
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Apr 2, 2003
Inventors
Shune-Long Wu
Wen-Jiunn Hsieh
Assignee (at issue)
Chunghwa Picture Tubes, LTD.
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.