Granted Patent
Utility
US 5,599,173 · App. 08/473,220
Blood pump system
Inventors:
Herbert Chen, Ronald A. Ness, John Woodard
Patented Case
View Patent ↗
Granted: Feb 4, 1997
Filed: Jun 7, 1995
Inventors
Herbert Chen
Ronald A. Ness
John Woodard
Assignee (at issue)
Baxter International 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.