Granted Patent
Utility
US 5,102,199 · App. 07/641,871
Continuous mining machine with a boom assembly providing different cutting heights and method of converting
Inventor:
Maurice K. LeBegue
Patented Case
View Patent ↗
Granted: Apr 7, 1992
Filed: Jan 16, 1991
Inventor
Maurice K. LeBegue
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.