Granted Patent
Utility
US 6,582,440 · App. 08/772,878
Non-clogging catheter for lithotrity
Inventor:
Joseph F. Brumbach
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Dec 26, 1996
Inventor
Joseph F. Brumbach
Assignee (at issue)
Misonix, 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.