Granted Patent
Utility
US 6,083,237 · App. 09/177,779
Biopsy instrument with tissue penetrating spiral
Inventors:
Thomas W. Huitema, David Gregoire, Michael L. Kruszynski, Salvatore Privitera, James W. Voegele
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Oct 23, 1998
Inventors
Thomas W. Huitema
David Gregoire
Michael L. Kruszynski
Salvatore Privitera
James W. Voegele
Assignee (at issue)
Ethicon Endo-Surgery, 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.