Granted Patent
Utility
US 5,409,012 · App. 08/175,949
Sample collection using catheter with expandable member
Inventor:
Ronald A. Sahatjian
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Dec 30, 1993
Inventor
Ronald A. Sahatjian
Assignee (at issue)
Boston Scientific Limited
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.