Granted Patent
Utility
US 5,116,417 · App. 07/528,350
Composition and method for agglomerating ore
Inventors:
Daniel Walker, Joseph L. Oliphant
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: May 21, 1990
Inventors
Daniel Walker
Joseph L. Oliphant
Assignee (at issue)
Chemical Lime 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.