Granted Patent
Utility
US 4,690,684 · App. 06/754,472
Meltable stent for anastomosis
Inventors:
Francis T. McGreevy, Karl W. Hahn
Patented Case
View Patent ↗
Granted: Sep 1, 1987
Filed: Jul 12, 1985
Inventors
Francis T. McGreevy
Karl W. Hahn
Assignee (at issue)
C. R. Bard, 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.