Granted Patent
Utility
US 6,452,576 · App. 09/489,751
Organic electroluminescent display device
Inventors:
Jeroen Van Velzen, Coen Theodorus Hubertus Fransiscus Liedenbaum
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Jan 21, 2000
Inventors
Jeroen Van Velzen
Coen Theodorus Hubertus Fransiscus Liedenbaum
Assignee (at issue)
KONINKLIJKE PHILIPS ELECTRONICS NV
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.