Show PATENTS RECENTLY ISSUED reported specially for this paper by R W bishop patent attorney washington D C apparatus for treatment of py rites cinder R F hill new york N Y assignor to general chemical company of the same place stamp mill stamp head M P boss san francisco gal cal mercury retort and furnace C F brown san jose gal cal process of treating silicate of copper G H waterbury denver colo assignor to los angeles metals extraction company los angeles cal riffle J B sloane los angeles cal rock drill B H locke new york N Y flux for welding copper T W wilson washington D C assignor to W E wilson same place process of treating pyrites cinder R P F hill new york N Y assignor to general chemical co same place P lace roasting furnace G H franklin boulder colo process of treating ores containing lithia W E wadman bayonne N J assignor to hygienic chemical company of new jersey sulphur smelting smelling sm elting apparatus E F white easton pa fuse tool charles elliott scammon kan furnace H B new york N Y production of alkali metals G 0 seward and F P von kugelgen Keg elgen holcomb Hol combs s rock va electrolytic R apparatus J H ryan portland ore process of treating ores J H ryan portland ore a multiple riffle sampler E W buskett coffeyville Coffe kans process of treating gold and gold silver ores J A just syracuse N Y assignor to the just mining and extraction company syracuse N Y a corporation of new york amalgamator H L lighter san francisco cal assignor of one third to W priest and one third to H feige san francisco cal method of treating ores C A diehl and W koehler cleveland 0 1 hydrocarbon rock drill J V rice jr bordertown Border town N J mineral i concentrator A B paul san francisco cal process for the electrolytic rl fining of metals A schwarz new yo yort 0 N Y process of concentrating ores A schwarz new york N Y assignor to schwarz ore treating company Phoe phoenix 11 ariz a corporation gold dredge H J dark clark boia e idaho assignor to the clark dredging COZ con pany chicago ill a corporation |