Granted Patent
Utility
US 4,671,445 · App. 06/639,163
Flexible surgical stapler assembly
Inventors:
John Michael Barker, Alan K. Plyley
Patented Case
View Patent ↗
Granted: Jun 9, 1987
Filed: Aug 9, 1984
Inventors
John Michael Barker
Alan K. Plyley
Assignee (at issue)
Baxter Travenol Laboratories, 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.