Granted Patent
Utility
US 5,971,939 · App. 09/064,179
Needle core biopsy device
Inventors:
Stephen DeSantis, Norman S. Gordon, Robert P. Cooper
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Apr 22, 1998
Inventors
Stephen DeSantis
Norman S. Gordon
Robert P. Cooper
Assignee (at issue)
Laurus Medical 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.