Granted Patent
Utility
US 5,537,992 · App. 08/433,063
Anesthetic system having electronic safety interlock system
Inventors:
Magnus Bjoernstijerna, Paer Emtell, Georgios Psaros
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: May 3, 1995
Inventors
Magnus Bjoernstijerna
Paer Emtell
Georgios Psaros
Assignee (at issue)
Siemens Elema AB
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.