Show PATENTS RECENTLY ISSUED reported for the mining review by davis davis patent attorneys washington D C gold separating apparatus john D luttrell benton harbor mien ore crusher aubrey I 1 eagle and andrew B D carlson boise idaho method of reducing ore karl A P hiorth Christ iama norway crusher head richard bernhard milwaukee wis method of working metals ores and the like otto prick frick sweden assaying composition joseph C hames goldfield nev crusher head bead richard bernhard milwaukee wis process for the recovery of copper from cuprous residues dominic crispo antwerp antwerp belgium smelter furnace joseph P welch salt lake city utah process for smelting smelling sm elting ore joseph P welch salt lake city utah process of amalgamating and separating metallic ores royer lucken bach colwyn pa |