Granted Patent
Utility
US 4,717,657 · App. 06/755,756
Predictive test for adverse reactions to iodinated radiographic contrast media
Inventors:
Stephen Eaton, Horng-Mou Tsay, James Hagan, Frederick J. Yost
Patented Case
View Patent ↗
Granted: Jan 5, 1988
Filed: Jul 17, 1985
Inventors
Stephen Eaton
Horng-Mou Tsay
James Hagan
Frederick J. Yost
Assignee (at issue)
E.R. SQUIBB & SONS. INC.
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.