Show PATENTS RECENTLY reported specially tor for the mining review by R W bishop patent attorney washington D b C roasting furnace W alorene AJ Lorenz hartford conn assignor to lanyon zinc co st louis mo ore separator J J snider xenia ohio gravimetric ore roaster J A ogden philadelphia pa assignor of one third to C H cornell valentine neb ore separating process oscar frolich charlottenburg Charlott enburg max huth halen see and arthur edelmann charlottenburg Charlott enburg germany assignors assigners assign ors to siemens balske ak berlin germany apparatus for handling tailings H W blaisdell yuma arizona 6 mine aline timber D W brunton denver colo 1 process of recovering zinc from sulphide ores H F kirkpatrick don england method of treating copper ores W J knox edgewood park pa assignor to george we westinghouse t ng houge pittsburg pa amalga amalgamator mator J W R laxton lynn mass stamp battery cam C C butte mont concentrating table J A B wesley gawler south australia process of reducing ores hermann erlin berlin B germany mining dredge J A swenson san francisco cal process of extracting metals from ores herman davis day dayton ton nev miners safety loading loa ding tool A V des molineaux Moin eaux Silver plume colo apparatus for separating minerals by action of oils A S elmore Elmor london eLondon england |