Granted Patent
Utility
US 4,759,757 · App. 07/006,101
Cardiovascular graft and method of forming same
Inventor:
Leonard Pinchuk
Patented Case
View Patent ↗
Granted: Jul 26, 1988
Filed: Jan 23, 1987
Inventor
Leonard Pinchuk
Assignee (at issue)
Corvita 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.