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Consolidated rolling mill company v barnard leas ,this was a bill in equity filed by the consolidated roller-mill company against the barnard & leas manufacturing company for the infringement of four letters patent for certain improvements in roller mills, vis.: patent no. 222,895, issued december 23, 1879, to william gray; patent no. 238,677, issued march 1881, to the same person; reissue patent no. 10,139, issued june 20, 1882, to
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