Granted Patent
Utility
US 6,430,334 · App. 09/557,654
System and method for refracting and deflecting light utilizing liquid crystal bars and blocks
Inventors:
Akira Ishikawa, Takashi Kanatake, Wenhui Mei
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Apr 25, 2000
Inventors
Akira Ishikawa
Takashi Kanatake
Wenhui Mei
Assignee (at issue)
Ball Semiconductor 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.