Granted Patent
Utility
US 4,687,482 · App. 06/604,996
Vascular prosthesis
Inventor:
Stephen R. Hanson
Patented Case
View Patent ↗
Granted: Aug 18, 1987
Filed: Apr 27, 1984
Inventor
Stephen R. Hanson
Assignee (at issue)
Scripps Clinic and Research Foundation
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.