Granted Patent
Utility
US 5,078,142 · App. 07/440,775
Precision mammographic needle biopsy system
Inventors:
Bernard W. Siczek, Michael A. DePourbaix, Michael Assa
Patented Case
View Patent ↗
Granted: Jan 7, 1992
Filed: Nov 21, 1989
Inventors
Bernard W. Siczek
Michael A. DePourbaix
Michael Assa
Assignee (at issue)
FISCHER IMAGING, 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.