Granted Patent
Utility
US 4,191,646 · App. 05/841,896
Apparatus for conducting fluids in a dialysis system
Inventors:
Lars-Ake Larsson, Lars J. C. Traven
Patented Case
View Patent ↗
Granted: Mar 4, 1980
Filed: Oct 13, 1977
Inventors
Lars-Ake Larsson
Lars J. C. Traven
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.