Granted Patent
Utility
US 5,690,821 · App. 08/560,305
Apparatus for supplying a batch of chemicals to a dialysate tank
Inventors:
Rodney S. Kenley, Dennis M. Treu, Frederick H. Peter, Jr., Thomas M. Feldsein, Kenneth E. Pawlak
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Nov 17, 1995
Inventors
Rodney S. Kenley
Dennis M. Treu
Frederick H. Peter, Jr.
Thomas M. Feldsein
Kenneth E. Pawlak
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.