Granted Patent
Utility
US 6,219,120 · App. 09/515,707
Liquid crystal display with corrugated reflective surface
Inventors:
Yorihiko Sasaki, Mitsuru Kano, Kenji Omote, Yoshihiko Ishitaka, Mitsuo Ohizumi, Tomomasa Takatsuka
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Feb 29, 2000
Inventors
Yorihiko Sasaki
Mitsuru Kano
Kenji Omote
Yoshihiko Ishitaka
Mitsuo Ohizumi
Tomomasa Takatsuka
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.