Granted Patent
Utility
US 6,730,940 · App. 10/283,737
Enhanced brightness light emitting device spot emitter
Inventors:
Frank M. Steranka, Daniel A. Steigerwald, Matthijs Keuper
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Oct 29, 2002
Inventors
Frank M. Steranka
Daniel A. Steigerwald
Matthijs Keuper
Assignee (at issue)
Lumileds Lighting US, LLC
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.