Hammer, Peter. In Court of Appeals of District of Columbia, Jan. term, 1922, patent appeal no. 1524, in re application of Peter Hammer, improvement in wire mattress; brief for commissioner of patents.
Publication Title:
Hammer, Peter. In Court of Appeals of District of Columbia, Jan. term, 1922, patent appeal no. 1524, in re application of Peter Hammer, improvement in wire mattress; brief for commissioner of patents.
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Hammer, Peter. In Court of Appeals of District of Columbia, Jan. term, 1922, patent appeal no. 1524, in re application of Peter Hammer, improvement in wire mattress; brief for commissioner of patents.