Granted Patent
Utility
US 4,880,989 · App. 07/088,427
Shielding container for radioaerosol delivery apparatus
Inventors:
Thomas W. Burnett, Thomas R. Clary, Vincent F. Iannuzzelli, Carl P. Kremer, Jr.
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: Nov 18, 1987
Inventors
Thomas W. Burnett
Thomas R. Clary
Vincent F. Iannuzzelli
Carl P. Kremer, Jr.
Assignee (at issue)
MALLINCKRODT LLC
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.