Show PATENTS ISSUED reported for the mining review by davis davis patent attorneys washington D C chanid barrel benj 0 webb los angeles cal means for handling and distributing de watered crushed ore pro ducts etc hans C behr johannesburg transvaal process of treating ores and carboniferous boni ferous earths alfred A lockwood london england concentrator peter mcfarlane central ci city alty colo process groces for treating metallic slimes james dunstone dollar bay mich filter bag ernest P dargin denver colo process of treating impure copper matte and ores hermann maschmeyer hoboken near antwerp belgium tube mill byron L M orrison colorado springs colo filtering apparatus david J kelly salt lake city utah apparatus for separating metals and the like from extraneous matter richard M simpson wellington new zealand jig wm A bradley spokane wash centrifugal machine eugene roberts and angus H gibson lehi utah process of treating ores philip A emanuel aiken S C jE process of treating ores philip A emanuel aiken S C amalgamator alice J smith and henry W kent emilw milwaukee akee wis process of refining gold heinrich hamburg germany wet treatment of mattes james T carrick johannesburg transvaal apparatus for electrical treatment of ores wm B mcpherson los angeles calif |