Granted Patent
Utility
US 5,838,404 · App. 08/535,061
Display device with optical member having two parts in overlay relation to reflect light incident at particular angle
Inventors:
Masao Ozeki, Yoshinori Hirai, Yoshiharu Ooi
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Nov 1, 1995
Inventors
Masao Ozeki
Yoshinori Hirai
Yoshiharu Ooi
Assignee (at issue)
ASAHI GLASS CO., 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.