Granted Patent
Utility
US 5,334,139 · App. 08/191,075
Method of peritoneal dialysis using a tube set
Inventors:
Jan-Bertil Jeppsson, Ingvar Losell
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Feb 3, 1994
Inventors
Jan-Bertil Jeppsson
Ingvar Losell
Assignee (at issue)
Gambro AB
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.