Show PATENTS RECENTLY ISSUED miners washing pan josef johansen paramaribo Para maribo dutch guiana roasting furance frank klepetko new york N Y ore feeding mercha ism nisin for pneumatic stamp mills J J R smythe johannesburg han transvaal gold saving machine J B holmes los angeles cal assignor to holmes bowman dry placer mining co of arizona feeder for stamp mills C C hamill barstow cal mining car R R hopkins oskaloosa ka loosa iowa assignor of one half to B C buxton buxton iowa pneumatic rock drill A P franklin pa process of extrac extracting tin gold F W dupre leopoldshall Leopold shall germany |