Washington. April 18.- The following patents have been granted to Michigan inventora: Judaon A. Baldwin, Benton Harbor, smoke preventing furnace; John G. Engeberg, Menominee, horse hitching device; Griffith W. GrifiSths, Tecumseh, car axle box; Henry C. Hart. Detroit, billiard cue lock; Francis Jackson. Raisinville, washing machine; John C. Lane. Holly, wire fence; William T. Lewis, Bay City, coin controlled machine. ReIssue - William T. McGraw, cash fegister indicator and recorder; Alonzo Palmer. Centerville; flour caddy: (iraon W. Smith, assignor of one half to A. G. Chaloupka, Charlevoix, gravestone or monument;Henry D. Streathor, Galesburg, preserving case,H. F. Tickner und A. Butler, Mason. mold for water tfinks; John Keen and F. A. Dornberg, Grand Rapids. roofing tile; Frederick B. Wallace. Orion, nut lock.