Granted Patent
Utility
US 5,507,565 · App. 08/358,846
Method and apparatus for suppressing dust and frictional ignition on a continuous mining machine
Inventors:
Maurice K. LeBegue, Ronald W. Keen
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Dec 19, 1994
Inventors
Maurice K. LeBegue
Ronald W. Keen
Assignee (at issue)
Eimco Coal Machinery Incorporated
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.