Granted Patent
Utility
US 4,075,314 · App. 05/681,626
Stannous pyrophosphate technetium-99m compositions
Inventors:
Robert G. Wolfangel, Howard A. Anderson
Patented Case
View Patent ↗
Granted: Feb 21, 1978
Filed: Apr 29, 1976
Inventors
Robert G. Wolfangel
Howard A. Anderson
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.