Granted Patent
Utility
US 4,994,072 · App. 07/400,631
Dilation catheter
Inventors:
Anandkumar Bhate, David Catlin
Patented Case
View Patent ↗
Granted: Feb 19, 1991
Filed: Aug 30, 1989
Inventors
Anandkumar Bhate
David Catlin
Assignee (at issue)
Meadox Medicals, 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.