Granted Patent
Utility
US 6,163,667 · App. 09/427,467
Semi-transmissive liquid crystal display device free from reversal of display on screen
Inventor:
Takahito Mafune
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: Oct 26, 1999
Inventor
Takahito Mafune
Assignee (at issue)
ALPS ELECTRIC 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.