| Show PATENTS RECENTLY ISSUED reported specially for the review by R W bishop patent attorney washington D C process of separating metals from solutions J P jr cripple creek colorado pipe coupling for deep boring devices theodor steen berlin germany assignor to A borsig germany anchoring device isaac peoria ills assignor to Want lings favorite coal drill co same place method of treating ores F R carpenter denver denv rl colo assignor of one half to J H berry detroit mich alich smelting smelling Sm elting furnace otto forsbach and eduard cleric clerc mulheim on the rhine germany rock drill vincent schneider trimountain mountain Tri mich concentrator J B arthur kansas city mo mine haul C W damron fairmount W va assignor to wagner palm ros mfg mag co same place I 1 ana processes of treating nickel ores thomas jenkins webster N C assignor to W S adams waynesville Waynes ville N C method of treating ores P A knappe grantville ga assignor to american amalgamating co boston mass reported specially for this paper by R W bishop patent attorney washington D C metallurgical and chemical furnace C A doremus new york N Y and processes of concentrating cent rating ores H F campbell melrose mass process of purifying petroleum T F golin colin elizabeth N J and 0 P amend new york N X Y relief valve for oil well pumps B E R graham bakersfield cal treating copper and nickel ores H G C paris france and B de S seine widnes england processes of extracting metals from ores sdney drivick Tr ivick clapham england concentrator F W harlow eureka colo centrifugal concentrator P H shue ouray colo process of separating copper roni rom ores G D van arsdale new york N Y hydrocarbon burner J P F higgins corsicana tex muller for grinding or amalgamating ga mills E F knotts des moines iowa owa oil burner R F schroeder sacramento cal metal extracting apparatus J B de alzugaray and W A mercer london england P assignors assigners assign ors to gold extraction co ltd same place drill for boring wells W H dark clark and F J currier san francisco cal oil burner C K X berge mobile ala hydrocarbon burner C K berge mobile ala copper leaching process G H waterbury denver colo assignor of sixty ter cent to N W Bl etchen A E van deusen sent C P and C F davies same place and G D nickel del norte colo |
