Granted Patent
Utility
US 6,456,874 · App. 09/524,467
Instrument for delivery of anaesthetic drug
Inventors:
Fred Hafer, Michal Syrucek, Andre P. Boezaart
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Mar 13, 2000
Inventors
Fred Hafer
Michal Syrucek
Andre P. Boezaart
Assignee (at issue)
ARROW INTERNATIONAL LLC
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.