Merriman, Michael W. In Court of Customs and Patent Appeals, patent appeal no. 3364, in re Michael W. Merriman, improvements in manhole frame and cover; brief for commissioner of patents.
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Merriman, Michael W. In Court of Customs and Patent Appeals, patent appeal no. 3364, in re Michael W. Merriman, improvements in manhole frame and cover; brief for commissioner of patents.
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Merriman, Michael W. In Court of Customs and Patent Appeals, patent appeal no. 3364, in re Michael W. Merriman, improvements in manhole frame and cover; brief for commissioner of patents.