Granted Patent
Utility
US 4,582,363 · App. 06/567,630
Drive assembly for mining machine cutter drum
Inventors:
Maurice K. LeBegue, Gerald L. Baum
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: Jan 3, 1984
Inventors
Maurice K. LeBegue
Gerald L. Baum
Assignee (at issue)
National Mine Service 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.