Granted Patent
Utility
US 4,925,650 · App. 07/272,177
Technetium -99m complex for examining the renal function
Inventors:
Dennis L. Nosco, Alfons Verbruggen
Patented Case
View Patent ↗
Granted: May 15, 1990
Filed: Nov 16, 1988
Inventors
Dennis L. Nosco
Alfons Verbruggen
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.