Granted Patent
Utility
US 5,368,438 · App. 08/083,405
Blood pump
Inventor:
Donald A. Raible
Patented Case
View Patent ↗
Granted: Nov 29, 1994
Filed: Jun 28, 1993
Inventor
Donald A. Raible
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.