Sponable, Earl I. In Court of Customs and Patent Appeals, patent appeal no. 3241, in re Earl I. Sponable, method and apparatus for simultaneously producing moving pictures and reproducing sound pictures; brief for commissioner of patents.
Publication Title:
Sponable, Earl I. In Court of Customs and Patent Appeals, patent appeal no. 3241, in re Earl I. Sponable, method and apparatus for simultaneously producing moving pictures and reproducing sound pictures; brief for commissioner of patents.
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Sponable, Earl I. In Court of Customs and Patent Appeals, patent appeal no. 3241, in re Earl I. Sponable, method and apparatus for simultaneously producing moving pictures and reproducing sound pictures; brief for commissioner of patents.