Granted Patent
Utility
US 6,768,535 · App. 10/428,987
Electrooptical device, projection-type display apparatus, and method for manufacturing the electrooptical device
Inventors:
Masahiro Yasukawa, Yasushi Yamazaki
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: May 5, 2003
Inventors
Masahiro Yasukawa
Yasushi Yamazaki
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.