Granted Patent
Utility
US 5,957,885 · App. 08/744,486
Oximetry monitored, patient controlled analgesia system
Inventors:
Stephen Bollish, Robert J. Duffy
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Nov 6, 1996
Inventors
Stephen Bollish
Robert J. Duffy
Assignee (at issue)
Alaris Medical Systems, 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.