Granted Patent
Utility
US 5,716,194 · App. 08/305,677
System for increasing flow uniformity
Inventors:
Robert D. Butterfield, Gregory I. Voss
Patented Case
View Patent ↗
Granted: Feb 10, 1998
Filed: Sep 12, 1994
Inventors
Robert D. Butterfield
Gregory I. Voss
Assignee (at issue)
IVAC 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.