Granted Patent
Utility
US 6,601,583 · App. 09/769,826
Ventilator wherein operation is modifiable dependent on patient sounds
Inventors:
Tom Pessala, Mats Erik Kindahl Cardell
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Jan 24, 2001
Inventors
Tom Pessala
Mats Erik Kindahl Cardell
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.