Granted Patent
Utility
US 6,511,474 · App. 09/614,360
Bolus for non-occluding high flow enteral feeding tube
Inventor:
Erik Andersen
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: Jul 12, 2000
Inventor
Erik Andersen
Assignee (at issue)
Corpak, Inc.
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.