Jöllenbeck, Edouard. In Court of Appeals of District of Columbia, Oct. term, 1925, patent appeal no. 1807, in re Edouard Jöllenbeck, riveting; brief for commissioner of patents.
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Jöllenbeck, Edouard. In Court of Appeals of District of Columbia, Oct. term, 1925, patent appeal no. 1807, in re Edouard Jöllenbeck, riveting; brief for commissioner of patents.
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Jöllenbeck, Edouard. In Court of Appeals of District of Columbia, Oct. term, 1925, patent appeal no. 1807, in re Edouard Jöllenbeck, riveting; brief for commissioner of patents.