Granted Patent
Utility
US 4,432,963 · App. 06/225,151
Radiographic scanning agent
Inventor:
John A. Bevan
Patented Case
View Patent ↗
Granted: Feb 21, 1984
Filed: Jan 14, 1981
Inventor
John A. Bevan
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.