Granted Patent
Utility
US 5,226,913 · App. 07/844,481
Method of making a radially expandable prosthesis
Inventor:
Leonard Pinchuk
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Mar 2, 1992
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.