Granted Patent
Utility
US 4,707,353 · App. 06/735,288
Radiographic imaging agents
Inventors:
Joseph E. Bugaj, Terry W. Grogg
Patented Case
View Patent ↗
Granted: Nov 17, 1987
Filed: May 17, 1985
Inventors
Joseph E. Bugaj
Terry W. Grogg
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.