Show PATENTS RECENTLY ISSUED reported especially for this paper by R W bishop patent attorney washington D C coal mining machine J P gilmour terre haute ind process of saving values from slimes and concentrates S AT M smith boise idaho and gold filtering machine thorstein oakland cal and crushers C L hath away denver colo assignor to the C L hathaway rock crusher company same place Hydra hydraulic ulle separator and classifier C E seymour placerville erville cal assignor of one fourth to L E rotary retort furnace burnac e J R moffitt denver colo dust arrester and L T and J P collins butte mont assignors assigners assign ors of one third to W al kirkpatrick same place ore separating and concentrating machine W P clifford moravia iowa concentrating table emil delster deister fort wayne ind assignor to the deister concentrator company of indiana fume condenser G C richards berkeley cal ass assignor 0 nor to richards gas and fume condenser company oakland cal crushing machine alvin los angeles cal assignor of two thirds to J A spencer and G R tucker same place |