Granted Patent
Utility
US 5,299,574 · App. 06/901,833
Method and apparatus for selective coronary arteriography
Inventor:
P. Jeffery Bower
Patented Case
View Patent ↗
Granted: Apr 5, 1994
Filed: Aug 29, 1986
Inventor
P. Jeffery Bower
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.