Show PATENTS RECENTLY ISSUED reported specially for this paper by R IV bishop patent attorney washington D C method of obtaining pure copper sulfate raimondo conedera massa marittimo marittima Marit tima italy method of recovering metals from sulfrid ores C H ehrenfeld and J R grove york pa process of extracting copper from its ores lucien aumau paris france alloy F W fletcher help ston market deeping beeping england assignor ass agnor ot one half to L W J digby haycock ford england portable crucible furnace matthey harvey walsall england apparatus for the heat beat treatment of metals T V hughes birmingham england ore testing tablet J E hunsnger huninger ss saginaw midi mich assignor to B E A cheney and frank cheney same place mining machine chain H E rawlins derwent ohio process of extracting gold and silver from ores benjamin hall nevada city cal trade mark which will be registered unless opposition is entered within thirty days for rock drilling machine mac hinez the kono max rock drill syndicate limited johannesburg han transvaal the word kono t max power drill S W boone almedia pa method of depositing and recovering erin metals W A hendryx denver colo quartz mill C E humphreys walker cal mining alining column co lunin J W kittredge 3 boulder colo slimes treatment C E D usher Jeppes town transvaal |