Granted Patent
Utility
US 5,405,383 · App. 08/183,422
Articulated heart pump and method of use
Inventor:
Irwin R. Barr
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Jan 19, 1994
Inventor
Irwin R. Barr
Assignee (at issue)
AAI Corporation
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.