Granted Patent
Utility
US 6,537,059 · App. 09/850,529
Regulating device for a burner
Inventor:
Rainer Lochschmied
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: May 7, 2001
Inventor
Rainer Lochschmied
Assignee (at issue)
SIEMENS BUILDING TECHNOLOGIES AG
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.