Granted Patent
Utility
US 6,400,077 · App. 09/743,838
Electric incandescent lamp
Inventors:
Jean-Pierre Michel, Laurent CLAUDEL, Jean-Marc Voirpin
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Jan 16, 2001
Inventors
Jean-Pierre Michel
Laurent CLAUDEL
Jean-Marc Voirpin
Assignee (at issue)
U.S. Philips Corporation
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.