Granted Patent
Utility
US 5,209,734 · App. 07/576,455
Continuous spinal anesthesia administering apparatus
Inventors:
Ronald J. Hurley, Kenneth W. Larson, Douglas F. Reed, Donald H. Lambert
Patented Case
View Patent ↗
Granted: May 11, 1993
Filed: Dec 19, 1990
Inventors
Ronald J. Hurley
Kenneth W. Larson
Douglas F. Reed
Donald H. Lambert
Assignee (at issue)
THE BRIGHAM AND WOMEN'S HOSPITAL, 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.