Granted Patent
Utility
US 5,936,668 · App. 08/722,622
Color image display device
Inventors:
Keiji Sawanobori, Nobuhiro Tani
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Sep 27, 1996
Inventors
Keiji Sawanobori
Nobuhiro Tani
Assignee (at issue)
Asahi Kogaku Kogyo 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.