Granted Patent
Utility
US 5,755,839 · App. 08/425,938
Molten metal reactor swing system and process
Inventor:
Donald P. Malone
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Apr 19, 1995
Inventor
Donald P. Malone
Assignee (at issue)
Ashland, Inc.
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.