Granted Patent
Utility
US 6,429,588 · App. 09/511,946
Sodium high-pressure lamp having a starting aid
Inventors:
Klaus Guenther, Andreas Lembcke
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Feb 24, 2000
Inventors
Klaus Guenther
Andreas Lembcke
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.