Granted Patent
Utility
US 6,494,864 · App. 09/650,302
Inner lumen anti-free flow device
Inventors:
Michael J. Kerwin, Mitchell H. Babkes, Glenn Fournie, Lee Burnes
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Aug 29, 2000
Inventors
Michael J. Kerwin
Mitchell H. Babkes
Glenn Fournie
Lee Burnes
Assignee (at issue)
SHERWOOD SERVICES AG
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.