Granted Patent
Utility
US 5,607,598 · App. 08/502,683
Treatment and disposal of red mud generated in the Bayer Process
Inventor:
Gerald Williams
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Jul 14, 1995
Inventor
Gerald Williams
Assignee (at issue)
Ormet Corporation
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.