Granted Patent
Utility
US 4,372,484 · App. 06/232,024
Device for the separation of a liquid, especially whole blood
Inventors:
Lars-Ake Larsson, Claes-Ake Gullberg, Kaj O. Stenberg, Nils G. E. Boberg
Patented Case
View Patent ↗
Granted: Feb 8, 1983
Filed: Feb 4, 1981
Inventors
Lars-Ake Larsson
Claes-Ake Gullberg
Kaj O. Stenberg
Nils G. E. Boberg
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.