Granted Patent
Utility
US 6,414,451 · App. 09/787,649
High-pressure discharge lamp
Inventors:
Reinhard Baake, David Francis Lupton
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Mar 20, 2001
Inventors
Reinhard Baake
David Francis Lupton
Assignee (at issue)
W.C. Heraeus GmbH & Co. KG
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.