Granted Patent
Utility
US 6,831,721 · App. 09/948,428
Liquid crystal display and electronic apparatus incorporating the liquid crystal display
Inventors:
Tsuyoshi Maeda, Osamu Okumura
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Sep 12, 2001
Inventors
Tsuyoshi Maeda
Osamu Okumura
Assignee (at issue)
SEIKO EPSON 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.