Granted Patent
Utility
US 5,306,265 · App. 07/989,149
Sampling and infusion connector for an extracorporeal blood circulation line
Inventor:
Guido Ragazzi
Patented Case
View Patent ↗
Granted: Apr 26, 1994
Filed: Dec 11, 1992
Inventor
Guido Ragazzi
Assignee (at issue)
Hospal AG
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.