Granted Patent
Utility
US 6,659,941 · App. 09/920,996
Balloon assisted endoscope for viewing a fetus during delivery
Inventors:
Bryan Weber, John Walsh
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Aug 1, 2001
Inventors
Bryan Weber
John Walsh
Assignee (at issue)
MALLINCKRODT 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.