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In the matter of the interference of the application of F.W. Willard, assignor to E.G. Allen, for a patent for improvement in process of making coal oil, with a patent granted to D. Alter and S.A. Hill, and their assignees, April 27, 1858, as reissued February 8, 1859
In the matter of the interference of the application of F.W. Willard, assignor to E.G. Allen, for a patent for improvement in process of making coal oil, with a patent granted to D. Alter and S.A. Hill, and their assignees, April 27, 1858, as reissued February 8, 1859
By Franklin W. Willard