Show PATENTS RECENTLY ISSUED ID reported specially for this paper R W bishop patent attorney t ton D 0 assay furnace lafayette 13 0 den distle denver colo 88 miners cage heinrich heil heilis I 1 daldrup germany 1 0 regenerative furnace N heinz lasalle la salle ill 4 safety brake tor for mine cag A M newman johannesburg Tran sva i assignor of one half to L A level mara burg transvaal drill support albert ba claremont N H assignor to sullivan K chinery company same place amalgamating apparatus P R fenn boise idaho rock drill G D warren cr pie creek colo method of preparing ores t the manufacture of steel B D B dark clark cl cago ill assignor to american linteri Sin teri company same place ore washing machine H meyer racine wis sample taking machine abi ab ham colton cal amalgamator F B sanfo north yakima wash process of recovering nic from sili clous ores adolphe chalas P phi 1 delphia pa metallurgical furnace W dempsey new york N Y 4 rock drill henry hellman a ai L Q C bayles johannesburg transvaal centrifugal separator P peck chicago ill ore concentrator G T coole cook joplin mo art of smelting smelling sm elting alfred S tel bart pittsburg pa assignor of one ha hs to G L collard clairton pa system of mine ventilation el elliott and 1 G wilson sharon pa grinding mill J W fuller J catasauqua pa fume condenser G C RI hie ards berkeley cal assignor to richar richan ga gas and fume condenser company oa land cal concentrator B C gillett new york N Y pneumatic drill martin I iia har ia kocg ottumwa iowa blasting tool L K krame kransi monte vista colo 0 |