Hamilton, Alfred E. In Court of Customs and Patent Appeals, patent appeal no 4867, in re Alfred E. Hamilton, improvements in grinding and polishing apparatus; brief for commissioner of patents.
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Hamilton, Alfred E. In Court of Customs and Patent Appeals, patent appeal no 4867, in re Alfred E. Hamilton, improvements in grinding and polishing apparatus; brief for commissioner of patents.
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Hamilton, Alfred E. In Court of Customs and Patent Appeals, patent appeal no 4867, in re Alfred E. Hamilton, improvements in grinding and polishing apparatus; brief for commissioner of patents.