Granted Patent
Utility
US 5,863,421 · App. 08/929,943
Hemodialysis machine with automatic priming by induced pressure pulses
Inventors:
Frederick H. Peter, Jr., Eric Bell, Thomas M. Feldsein
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Sep 15, 1997
Inventors
Frederick H. Peter, Jr.
Eric Bell
Thomas M. Feldsein
Assignee (at issue)
AKsys GmbH
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.