Individual holder
BUTLER DEAN R
AU·1 granted patent·3 pending applications·74 citations·filing 1990–2010
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0189US5215575ARecovery of gold, silver and platinum group metals with various leachants at low pulp densitiesBUTLER DEAN R·Filed 1990·Granted Jun 1, 1993·74 cites·17 claims
- 0249US2012090433A1Enhanced recovery of goldBUTLER DEAN R·Filed 2010·Application pending·0 cites
- 0349US2012067169A1Method for processing precious metal source materialsBUTLER DEAN R·Filed 2010·Application pending·0 cites
- 0449US2012067170A1Extraction of gold from cathode associated gold concentratesBUTLER DEAN R·Filed 2010·Application pending·0 cites
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