Granted Patent
Utility
US 6,784,459 · App. 09/991,984
Organic electroluminescent device, manufacturing method therefor, and electronic devices therewith
Inventors:
Shunichi Seki, Katsuyuki Morii
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Nov 26, 2001
Inventors
Shunichi Seki
Katsuyuki Morii
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.