Show PATENTS RECENTLY ISSUED prepared for the mining review by davis davis patent attorneys washington ore reducing furnace P E peterson butte mont concentrator W A butchart los angeles cal ore float separator R H jeffrey gabriel mexico amalgamator H luckenbach chicago ill ore concentrator J F zion phoenix ariz 1052 avater Water flume P F AT doak san francisco cal classifier or separator W A hendryx new york N Y ore concentrator 0 W eccleston los angeles cal process of treating ores preparatory to magnetic separation J B etherington winthrop mass drake brake mechanism for ore hand ling apparatus F K hoover and A J mason chicago ill separator F C nicholas new york N Y pulp separator S steele antioch cal mineral separator and classifier clas sifer L 13 skinner denver colo reducing ore by means of solid carbonaceous material S E hoganas sweden process of hydroelectric hydro electric smelt ing inga A tommasini new york N Y gold saving machine R S bassett minneapolis minn art of separating copper from other metals T A edison llewellyn park west orange N J process for removing copper from other metals R R moreno allentown pa feeding mechanism for M L williams st louis mo concentrating table C W wright washington D C flume or conduit W J smith san luis obispo cal process for treating ores C schick siegen germany a separator L 0 dibert san 41 francisco cal combined ore classifier and jig H C gilbert denver colo |