Granted Patent
Utility
US 6,423,429 · App. 09/257,778
Organic electroluminescent devices
Inventors:
Junji Kido, Tokio Mizukami, Jun-ichi Endoh
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Feb 25, 1999
Inventors
Junji Kido
Tokio Mizukami
Jun-ichi Endoh
Assignees (at issue)
Junji Kido
International Manufacturing and Engineering Services 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.