In Court of Appeals of District of Columbia, Jan. term, 1912, patent appeal no. 774, in re Egbert H. Gold, improvement in art of heating by steam; brief for commissioner of patents.
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In Court of Appeals of District of Columbia, Jan. term, 1912, patent appeal no. 774, in re Egbert H. Gold, improvement in art of heating by steam; brief for commissioner of patents.
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In Court of Appeals of District of Columbia, Jan. term, 1912, patent appeal no. 774, in re Egbert H. Gold, improvement in art of heating by steam; brief for commissioner of patents.