Granted Patent
Utility
US 6,731,367 · App. 09/455,447
Electro-optical panel, electro-optical panel module, and projection display device
Inventor:
Hiromi Saitoh
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Dec 6, 1999
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.