Granted Patent
Utility
US 4,629,458 · App. 06/705,782
Reinforcing structure for cardiovascular graft
Inventor:
Leonard Pinchuk
Patented Case
View Patent ↗
Granted: Dec 16, 1986
Filed: Feb 26, 1985
Inventor
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.