Granted Patent
Utility
US 5,531,698 · App. 08/471,859
Optical reflection systems and methods for cassette identification fordrug pumps
Inventor:
James M. Olsen
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Jun 6, 1995
Inventor
James M. Olsen
Assignee (at issue)
SIMS Deltec, 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.