Granted Patent
Utility
US 5,895,692 · App. 08/904,239
Manufacturing of organic electroluminescent device
Inventors:
Tomoyuki Shirasaki, Seizo Miyata
Patented Case
View Patent ↗
Granted: Apr 20, 1999
Filed: Jul 31, 1997
Inventors
Tomoyuki Shirasaki
Seizo Miyata
Assignee (at issue)
CASIO COMPUTER 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.