Granted Patent
Utility
US 6,745,773 · App. 09/254,395
Tracheal tube
Inventor:
Fred Göbel
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Jun 3, 1999
Inventor
Fred Göbel
Assignee (at issue)
Dr. Fred Goebel Patentverwaltung GmbH
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.