Granted Patent
Utility
US 6,206,002 · App. 09/313,579
Device and method for recovering anaesthetic during the use of inhaled anaesthetics
Inventor:
Hans Lambert
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: May 13, 1999
Inventor
Hans Lambert
Assignee (at issue)
Hudson RCI 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.