Granted Patent
Utility
US 4,660,573 · App. 06/731,772
Ultrasonic lithotriptor probe
Inventor:
Joseph F. Brumbach
Patented Case
View Patent ↗
Granted: Apr 28, 1987
Filed: May 8, 1985
Inventor
Joseph F. Brumbach
Assignee (at issue)
FibraSonics Inc.
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.