Granted Patent
Utility
US 6,298,848 · App. 09/413,781
Device for flushing a deadspace in mechanical ventilation
Inventor:
Goran Skog
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Oct 7, 1999
Inventor
Goran Skog
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.