Johns-Manville, Incorporated. In Court of Appeals of District of Columbia, Apr. term, 1924, patent appeal no. 1686, in re Johns-Manville, Incorporated, trade-mark for sectional pipe covering; brief for commissioner of patents.
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Johns-Manville, Incorporated. In Court of Appeals of District of Columbia, Apr. term, 1924, patent appeal no. 1686, in re Johns-Manville, Incorporated, trade-mark for sectional pipe covering; brief for commissioner of patents.
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Johns-Manville, Incorporated. In Court of Appeals of District of Columbia, Apr. term, 1924, patent appeal no. 1686, in re Johns-Manville, Incorporated, trade-mark for sectional pipe covering; brief for commissioner of patents.