Granted Patent
Utility
US 6,634,917 · App. 09/869,276
Discharge lamp with electrode frame
Inventors:
Rainer Kling, Reinhold Wittkoetter
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Jun 26, 2001
Inventors
Rainer Kling
Reinhold Wittkoetter
Assignee (at issue)
Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
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.