Granted Patent
Utility
US 5,589,037 · App. 08/547,516
Method for removing tetranitromethane from nitric acid
Inventors:
Thomas Link Guggenheim, Sharon M. Fukuyama, Gregory L. Warner
Patented Case
View Patent ↗
Granted: Dec 31, 1996
Filed: Oct 24, 1995
Inventors
Thomas Link Guggenheim
Sharon M. Fukuyama
Gregory L. Warner
Assignee (at issue)
General Electric 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.