Granted Patent
Utility
US 6,580,221 · App. 10/008,122
Method for triggering a sensor-controlled lamp
Inventors:
Michael Hutzler, Juergen Schurig, Gunther Loehmann
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Oct 19, 2001
Inventors
Michael Hutzler
Juergen Schurig
Gunther Loehmann
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.