Granted Patent
Utility
US 6,709,408 · App. 10/065,155
Dual action aspiration biopsy needle
Inventor:
John S. Fisher
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Sep 23, 2002
Inventor
John S. Fisher
Assignee (at issue)
Biopsy Sciences, LLC
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.