Granted Patent
Utility
US 4,575,452 · App. 06/652,890
Kit for silver staining proteins and nucleic acids
Inventors:
Duk Hi Lee, Thomas J. O'Connell
Patented Case
View Patent ↗
Granted: Mar 11, 1986
Filed: Sep 21, 1984
Inventors
Duk Hi Lee
Thomas J. O'Connell
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.