Lockert, Charles F. In Court of Customs and Patent Appeals, patent appeal no. 3083, in re Charles P. Lockert, improvements in weighing scales; brief for commissioner of patents.
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Lockert, Charles F. In Court of Customs and Patent Appeals, patent appeal no. 3083, in re Charles P. Lockert, improvements in weighing scales; brief for commissioner of patents.
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Lockert, Charles F. In Court of Customs and Patent Appeals, patent appeal no. 3083, in re Charles P. Lockert, improvements in weighing scales; brief for commissioner of patents.