Show PATENTS RECENTLY ISSUED reported specially for the mining review by R W bishop patent attorney washington D 0 Magne magnetic magnette tle separator alvin pings dings milwaukee wis process or entreating treating ores john herman canon city colo i art ot of trea treating d ting ores W F downs jersey city N J stamp tappet C C butte mont 11 j amalgamator G H breymann toledo ohio ore breaker A C calkins los angeles cal assignor to P W braun same place letb d of treating mixed sulf ift ores gres ermillo ferraris italy |