Granted Patent
Utility
US 5,190,352 · App. 07/776,992
Mining machine with cascading conveyor system and method of conveying
Inventors:
Maurice K. LeBegue, Clarence H. Woodford, II
Patented Case
View Patent ↗
Granted: Mar 2, 1993
Filed: Oct 16, 1991
Inventors
Maurice K. LeBegue
Clarence H. Woodford, II
Assignee (at issue)
Tamrock World Corporation, N.V.
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.