Assignee
RAG AMERICAN COAL COMPANY
US·3 granted patents·54 citations·filing 1998–2000
Top patents by PatentIndex Score
3 records- 0159US6334738B1Prefabricated metal overcast having a crushable lower sectionRAG AMERICAN COAL COMPANY·Filed 2000·Granted Jan 1, 2002·14 cites·5 claims
- 0256US6129483APrefabricated metal overcast having a crushable lower sectionRAG AMERICAN COAL COMPANY·Filed 1999·Granted Oct 10, 2000·27 cites·8 claims
- 0330US6132497ADust suppression systemRAG AMERICAN COAL COMPANY·Filed 1998·Granted Oct 17, 2000·13 cites·21 claims
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