Granted Patent
Utility
US 5,594,769 · App. 08/437,793
Method and apparatus for obtaining stereotactic mammographic guided needle breast biopsies
Inventors:
Anthony Pellegrino, Kenneth F. DeFreitas
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: May 9, 1995
Inventors
Anthony Pellegrino
Kenneth F. DeFreitas
Assignee (at issue)
Thermotrex Corporation
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.