Granted Patent
Utility
US 4,286,169 · App. 06/086,795
Screening device for a generator producing radio-isotopes
Inventor:
Hendrik V. Rossem
Patented Case
View Patent ↗
Granted: Aug 25, 1981
Filed: Oct 22, 1979
Inventor
Hendrik V. Rossem
Assignee (at issue)
Byk-Mallinckrodt CIL B.V.
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.