Granted Patent
Utility
US 4,793,351 · App. 07/062,786
Multi-lumen balloon catheter
Inventors:
Mark Landman, Steven R. LeMott
Patented Case
View Patent ↗
Granted: Dec 27, 1988
Filed: Jun 15, 1987
Inventors
Mark Landman
Steven R. LeMott
Assignee (at issue)
Mansfield Scientific, 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.