Granted Patent
Utility
US 5,310,249 · App. 08/027,828
Method and apparatus for automatically controlling a mining machine
Inventors:
David B. Sugden, John Barrie Turner, Robert J. Boyd, Thomas M. Hartman, Gerald L. Dollinger, John Greer Moore
Patented Case
View Patent ↗
Granted: May 10, 1994
Filed: Mar 8, 1993
Inventors
David B. Sugden
John Barrie Turner
Robert J. Boyd
Thomas M. Hartman
Gerald L. Dollinger
John Greer Moore
Assignee (at issue)
Z C Mines PTY LTD
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.