Granted Patent
Utility
US 4,767,400 · App. 07/113,884
Porous ventricular catheter
Inventors:
Sandra L. Miller, Leonard Pinchuk
Patented Case
View Patent ↗
Granted: Aug 30, 1988
Filed: Oct 27, 1987
Inventors
Sandra L. Miller
Leonard Pinchuk
Assignee (at issue)
CORDIS CORPORATION
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.