Granted Patent
Utility
US 5,868,684 · App. 08/663,123
Device for hard tissue biopsy sampling
Inventors:
Dan Akerfeldt, Gunnar stroem, Håkan Ahlstroem
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Jun 21, 1996
Inventors
Dan Akerfeldt
Gunnar stroem
Håkan Ahlstroem
Assignee (at issue)
Radi Medical Systems AB
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.