Granted Patent
Utility
US 6,654,083 · App. 09/150,082
Electronic optical device and method for producing the same, and projection type display device
Inventors:
Shigeo Toda, Hiromi Saito
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Sep 9, 1998
Inventors
Shigeo Toda
Hiromi Saito
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.