Granted Patent
Utility
US 4,969,896 · App. 07/305,375
Vascular graft prosthesis and method of making the same
Inventor:
Edwin C. Shors
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: Feb 1, 1989
Inventor
Edwin C. Shors
Assignee (at issue)
Interpore International
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.