Shaffer, Ernest J. In Court of Appeals of District of Columbia, Oct. term, 1923, patent appeal no. 1649, in re Ernest J. Shaffer, improvements in slip sockets; brief for commissioner of patents.
Publication Title:
Shaffer, Ernest J. In Court of Appeals of District of Columbia, Oct. term, 1923, patent appeal no. 1649, in re Ernest J. Shaffer, improvements in slip sockets; brief for commissioner of patents.
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Shaffer, Ernest J. In Court of Appeals of District of Columbia, Oct. term, 1923, patent appeal no. 1649, in re Ernest J. Shaffer, improvements in slip sockets; brief for commissioner of patents.