Granted Patent
Utility
US 5,453,757 · App. 08/391,616
Liquid crystal display control system including storage means and D/A converters
Inventors:
Yoshito Date, Shoichi Takeshita, Tetsuro Ohmori, Junji Nakatsuka, Yoshio Imamura
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Feb 21, 1995
Inventors
Yoshito Date
Shoichi Takeshita
Tetsuro Ohmori
Junji Nakatsuka
Yoshio Imamura
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.