Granted Patent
Utility
US 4,955,696 · App. 07/394,158
Liquid crystal driving system
Inventors:
Koki Taniguchi, Tamaki Mashiba
Patented Case
View Patent ↗
Granted: Sep 11, 1990
Filed: Aug 14, 1989
Inventors
Koki Taniguchi
Tamaki Mashiba
Assignee (at issue)
SHARP KABUSHIKI KAISHA
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.