Superior Highwall Miners, Inc.
Superior Highwall Miners, Inc. Patent applications | ||
Patent application number | Title | Published |
---|---|---|
20090039695 | GUIDE FRAME FOR GUIDING CONVEYOR SEGMENTS IN HIGH WALL MINING - The invention relates to a guide frame for use in high wall mining to be located between a launching apparatus and the entrance of a shaft ( | 02-12-2009 |