Show PATENTS RECENTLY ISSUED reported specially for the mining review by R W bishop patent attorney washington D C ore separator and classifier charles culver sandon canada concentrator W G dodd san francisco cal ore roaster J L hopper kirksville Kirks ville mo mining machine J M mchugh boston pa treatment of ores containing antimony J P van der ploeg the hague netherlands amalgamating apparatus marguerite bloume paris france magnetic ore separator J W carter franklin N J precipitant for treatment of copper water A J lmeter palmeter Po whitehall mont assignor of two thirds to joseph mitch and A Q dygert butte mont mining car door fastener J II 11 watt barnesville Barnes ville ohio process P icess of extracting metals f from rom ores E D kendall brooklyn NY apparatus for treating copper ores richard seeman ealing england land iland I rock drill V Y smith oakland cal concentrator louis cohen and john gross Sombre sombrerete rete mexico process of recovering m metals fro from in ores J W neill and J H burfiend salt lake city utah gold separator C W gardner portland oregon ore pocket F P K hoover kansas city mo and A J mason chicago ill L J process of extracting zinc J L babe and alexis paris france i mining machi machine ne e tru truck I 1 ander columbus ohi ohio 0 as jeffrey mfg mag co same place ore elevator H 11 A vea denver colo assignor to J A Jeffrey jeffreyj 4 lumbus ohio 14 an fn ita art of treating ores contain contains conta inh silica gustave guiraud cripple creek ca C 4 eq assignor to robert mcknight Phi Philadel jadel il co pa sluice box F al johnson S 82 te francisco cat cal assignor to rose gold Redi s mation co same place ore separator F C obrie i chicago ill 7 ore separator C 0 pratt p land ore assignor of one half to holland same place dry concentrator R E ad eugene waugh denv denver er colo ore crusher and A J petter san francisco cal tappet lor for stamp mills J c H vaught phillipsburg Phillips burg mont amalgamator J V coleman colem san francisco cal C mine aline ventilator P T reynold butte mont treatment of zinc oree ore 0 CJ J Toss izza paris france rock boring machine jesef Bre brejcha jeha strasburg and eduard schulte dusseldorf Dussel dort germany |