Granted Patent
Utility
US 6,332,877 · App. 09/076,442
Ostomy tube placement tip
Inventor:
Lester D. Michels
Patented Case
View Patent ↗
Granted: Dec 25, 2001
Filed: May 12, 1998
Inventor
Lester D. Michels
Assignee (at issue)
NOVARTIS AG
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.