Granted Patent
Utility
US 6,794,816 · App. 10/356,977
Organic EL panel and the manufacture thereof
Inventor:
Yoshikazu Sakaguchi
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Feb 3, 2003
Inventor
Yoshikazu Sakaguchi
Assignee (at issue)
SAMSUNG DISPLAY CO., LTD.
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.