Granted Patent
Utility
US 6,428,486 · App. 09/746,402
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: Aug 6, 2002
Filed: Dec 21, 2000
Inventors
Mark A. Ritchart
J. Michael Stuart
Fred H. Burbank
Kenneth M. Galt
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.