Granted Patent
Utility
US 6,690,032 · App. 09/787,744
Electro-optical device and method of manufacture thereof, and electronic instrument
Inventor:
Kazushige Umetsu
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Mar 22, 2001
Inventor
Kazushige Umetsu
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.