Granted Patent
Utility
US 6,414,781 · App. 09/523,218
Electro-optical device and projection display device including the same
Inventor:
Hiromi Saitoh
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Mar 10, 2000
Inventor
Hiromi Saitoh
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.