Armstrong, Fred S. In Court of Customs and Patent Appeals, patent appeal no. 3644, in re Fred S. Armstrong, mercury switch; brief for commissioner of patents.
Publication Title:
Armstrong, Fred S. In Court of Customs and Patent Appeals, patent appeal no. 3644, in re Fred S. Armstrong, mercury switch; brief for commissioner of patents.
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Armstrong, Fred S. In Court of Customs and Patent Appeals, patent appeal no. 3644, in re Fred S. Armstrong, mercury switch; brief for commissioner of patents.