Granted Patent
Utility
US 5,751,209 · App. 08/345,735
System for the early detection of fires
Inventors:
Jurg Werner, Max Schlegel
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Nov 20, 1994
Inventors
Jurg Werner
Max Schlegel
Assignee (at issue)
Cerberus 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.