Granted Patent
Utility
US 5,649,547 · App. 08/386,941
Methods and devices for automated biopsy and collection of soft tissue
Inventors:
Mark A. Ritchart, J. Michael Stuart, Fred H. Burbank, Kenneth M. Galt
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Feb 10, 1995
Inventors
Mark A. Ritchart
J. Michael Stuart
Fred H. Burbank
Kenneth M. Galt
Assignee (at issue)
Biopsys Medical
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.