Granted Patent
Utility
US 6,458,079 · App. 09/410,982
Surgical retractor and method of use
Inventors:
William E. Cohn, Jennie H. Brown, Douglas Hutchison, Lawrence F. Travers, Michael A. Valerio
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Oct 1, 1999
Inventors
William E. Cohn
Jennie H. Brown
Douglas Hutchison
Lawrence F. Travers
Michael A. Valerio
Assignee (at issue)
Beth Israel Deaconess Medical Center, 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.