Granted Patent
Utility
US 4,710,319 · App. 06/796,068
Autofluorogram composition
Inventors:
Duk Hi Lee, Susan Feierberg, Patricia A. Mayer
Patented Case
View Patent ↗
Granted: Dec 1, 1987
Filed: Nov 8, 1985
Inventors
Duk Hi Lee
Susan Feierberg
Patricia A. Mayer
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.