Granted Patent
Utility
US 6,144,373 · App. 08/980,342
Picture display device and method of driving picture display device
Inventors:
Akira Nakazawa, Kazuyoshi Kawaguchi, Yoshinori Hirai
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Nov 28, 1997
Inventors
Akira Nakazawa
Kazuyoshi Kawaguchi
Yoshinori Hirai
Assignees (at issue)
ASAHI GLASS CO., LTD.
OPTREX Corporation
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.