Granted Patent
Utility
US 5,158,540 · App. 07/527,009
Perfusion catheter
Inventors:
Bandula Wijay, Paolo Angelini
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: May 22, 1990
Inventors
Bandula Wijay
Paolo Angelini
Assignee (at issue)
Leocor, 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.