Granted Patent
Utility
US 6,360,740 · App. 09/417,499
Method and apparatus for assisted breathing
Inventors:
Leif Wård, Siegfried Kallert, Harald Kirchner, Brigitte Stroetmann
Patented Case
View Patent ↗
Granted: Mar 26, 2002
Filed: Oct 13, 1999
Inventors
Leif Wård
Siegfried Kallert
Harald Kirchner
Brigitte Stroetmann
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.