Granted Patent
Utility
US 4,863,512 · App. 07/067,753
Binder for metal-containing ores
Inventors:
Bruce E. Banyai, Denis E. LaSota, Dennis L. Strunk
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Jun 29, 1987
Inventors
Bruce E. Banyai
Denis E. LaSota
Dennis L. Strunk
Assignee (at issue)
Aqualon 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.