Granted Patent
Utility
US 5,823,970 · App. 08/619,389
Biopsy needle set
Inventor:
Richard A. Terwilliger
Patented Case
View Patent ↗
Granted: Oct 20, 1998
Filed: Mar 22, 1996
Inventor
Richard A. Terwilliger
Assignee (at issue)
Medical Device Technologies, 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.