Granted Patent
Utility
US 5,771,882 · App. 08/711,654
Anesthetic administration apparatus which delivers anesthetic in microdroplets
Inventors:
Georgios Psaros, Rolf Castor
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Sep 9, 1996
Inventors
Georgios Psaros
Rolf Castor
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.