Granted Patent
Utility
US 6,380,993 · App. 09/727,057
Liquid crystal display device and electronic device
Inventor:
Tsuyoshi Maeda
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Nov 30, 2000
Inventor
Tsuyoshi Maeda
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.