Granted Patent
Utility
US 6,691,047 · App. 09/527,327
Calibration of pumps, such as blood pumps of dialysis machine
Inventor:
Chris N. Fredericks
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Mar 16, 2000
Inventor
Chris N. Fredericks
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.