Granted Patent
Utility
US 6,683,592 · App. 09/635,400
Electro-optical device
Inventor:
Masao Murade
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Aug 10, 2000
Inventor
Masao Murade
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.