Carr, Edward G. In Court of Appeals of District of Columbia, Jan. term, 1926, patent appeal no. 1896, in re Edward G. Carr, concrete road machines; brief for commissioner of patents.
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Carr, Edward G. In Court of Appeals of District of Columbia, Jan. term, 1926, patent appeal no. 1896, in re Edward G. Carr, concrete road machines; brief for commissioner of patents.
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Carr, Edward G. In Court of Appeals of District of Columbia, Jan. term, 1926, patent appeal no. 1896, in re Edward G. Carr, concrete road machines; brief for commissioner of patents.