Coffey, Irven E. In Court of Appeals of District of Columbia, Oct. term, 1927, patent appeal no. 2095, in re Irven E. Coffey, transmission controlling mechanism; brief for commissioner of patents.
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Coffey, Irven E. In Court of Appeals of District of Columbia, Oct. term, 1927, patent appeal no. 2095, in re Irven E. Coffey, transmission controlling mechanism; brief for commissioner of patents.
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Coffey, Irven E. In Court of Appeals of District of Columbia, Oct. term, 1927, patent appeal no. 2095, in re Irven E. Coffey, transmission controlling mechanism; brief for commissioner of patents.