About 2 Trademarks found that are owned by Hecla Mining Company

Mining exploration and mineral exploration services; consulting services in the field of mining exploration; Engineering and engineering design services relating to the exploration and mining of precious and base metals; research and development in the mining area; quality evaluation of precious and base metals

Mining exploration and mineral exploration services; consulting services in the field of mining exploration; Engineering and engineering design services relating to the exploration and mining of precious and base metals; research and development in the mining area; quality evaluation of precious and base metals