Lucke, Charles E. In Court of Appeals of District of Columbia, Oct. term, 1927, patent appeal no. 2029, in re Charles E. Lucke and Otto Nonnenbruch, improvements in internal combustion engines; brief for commissioner of patents.
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Lucke, Charles E. In Court of Appeals of District of Columbia, Oct. term, 1927, patent appeal no. 2029, in re Charles E. Lucke and Otto Nonnenbruch, improvements in internal combustion engines; brief for commissioner of patents.
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Lucke, Charles E. In Court of Appeals of District of Columbia, Oct. term, 1927, patent appeal no. 2029, in re Charles E. Lucke and Otto Nonnenbruch, improvements in internal combustion engines; brief for commissioner of patents.