Granted Patent
Utility
US 6,183,710 · App. 09/287,945
Sodium cyanide paste composition
Inventors:
Janet Marie Rogers, Thomas Peter Tufano
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Apr 8, 1999
Inventors
Janet Marie Rogers
Thomas Peter Tufano
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.