Granted Patent
Utility
US 5,275,789 · App. 07/899,898
Apparatus for iodination/purification
Inventor:
William R. Taylor
Patented Case
View Patent ↗
Granted: Jan 4, 1994
Filed: Jun 17, 1992
Inventor
William R. Taylor
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.