Granted Patent
Utility
US 4,626,240 · App. 06/530,332
Dual lumen subclavian cannula
Inventors:
William Edelman, Michael Baranowski
Patented Case
View Patent ↗
Granted: Dec 2, 1986
Filed: Sep 8, 1983
Inventors
William Edelman
Michael Baranowski
Assignee (at issue)
Shiley Incorporated
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.