Granted Patent
Utility
US 4,278,652 · App. 05/954,897
Process for determining ferritin
Inventors:
Elfriede Niemann, Brian H. Stagg, Stuart I. Cowan
Patented Case
View Patent ↗
Granted: Jul 14, 1981
Filed: Oct 26, 1978
Inventors
Elfriede Niemann
Brian H. Stagg
Stuart I. Cowan
Assignee (at issue)
Hoechst 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.