Granted Patent
Utility
US 6,636,194 · App. 09/509,942
Electrooptic device and electronic equipment
Inventor:
Ryo Ishii
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Apr 4, 2000
Inventor
Ryo Ishii
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.