Granted Patent
Utility
US 4,479,792 · App. 06/423,034
Peritoneal fluid treatment apparatus, package and method
Inventors:
Harrison M. Lazarus, James A. Nelson
Patented Case
View Patent ↗
Granted: Oct 30, 1984
Filed: Sep 24, 1982
Inventors
Harrison M. Lazarus
James A. Nelson
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.