Duncan, Harry L. In Court of Appeals of District of Columbia, Oct. term, 1916, patent appeal no. 1056. in re Harry L. Duncan, improvements in processes for producing aluminum nitrid; brief for commissioner of patents.
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Duncan, Harry L. In Court of Appeals of District of Columbia, Oct. term, 1916, patent appeal no. 1056. in re Harry L. Duncan, improvements in processes for producing aluminum nitrid; brief for commissioner of patents.
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Duncan, Harry L. In Court of Appeals of District of Columbia, Oct. term, 1916, patent appeal no. 1056. in re Harry L. Duncan, improvements in processes for producing aluminum nitrid; brief for commissioner of patents.