Granted Patent
Utility
US 6,069,561 · App. 09/211,108
Automatic lamp control device
Inventors:
Klaus-Jurgen Schopf, Gerhard Lohninger
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Dec 14, 1998
Inventors
Klaus-Jurgen Schopf
Gerhard Lohninger
Assignee (at issue)
Siemens Aktiengesellschaft
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.