Granted Patent
Utility
US 5,456,671 · App. 08/121,942
Catheter anchoring system
Inventor:
Steven F. Bierman
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Sep 15, 1993
Inventor
Steven F. Bierman
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.