Granted Patent
Utility
US 4,281,879 · App. 06/078,072
Stabilizing assembly for a mining machine
Inventors:
Maurice K. LeBegue, Ronald W. Keen, Donald E. Keller
Patented Case
View Patent ↗
Granted: Aug 4, 1981
Filed: Sep 24, 1979
Inventors
Maurice K. LeBegue
Ronald W. Keen
Donald E. Keller
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.