Mains, Charles F. In Court of Customs and Patent Appeals, patent appeal no. 3495, in re Charles F. Mains, design for horse collar pad; brief for commissioner of patents.
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Mains, Charles F. In Court of Customs and Patent Appeals, patent appeal no. 3495, in re Charles F. Mains, design for horse collar pad; brief for commissioner of patents.
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Mains, Charles F. In Court of Customs and Patent Appeals, patent appeal no. 3495, in re Charles F. Mains, design for horse collar pad; brief for commissioner of patents.