Langmuir, Irving. In Court of Customs and Patent Appeals, patent appeal no. 3037, in re Irving Langmuir, improvements in heating process and apparatus; brief for commissioner of patents.
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Langmuir, Irving. In Court of Customs and Patent Appeals, patent appeal no. 3037, in re Irving Langmuir, improvements in heating process and apparatus; brief for commissioner of patents.
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Langmuir, Irving. In Court of Customs and Patent Appeals, patent appeal no. 3037, in re Irving Langmuir, improvements in heating process and apparatus; brief for commissioner of patents.