Granted Patent
Utility
US 6,690,445 · App. 09/839,480
Liquid crystal display having particular spacers and concaves
Inventor:
Kimikazu Matsumoto
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Apr 20, 2001
Inventor
Kimikazu Matsumoto
Assignee (at issue)
NEC LCD Technologies, 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.