Spengler, Walter J. In Court of Customs and Patent Appeals, patent appeal no. 4957, in re Walter J. Spengler, Tullio Tognola and Jakob R. Frei, radio shielding means; brief for commissioner of patents.
Publication Title:
Spengler, Walter J. In Court of Customs and Patent Appeals, patent appeal no. 4957, in re Walter J. Spengler, Tullio Tognola and Jakob R. Frei, radio shielding means; brief for commissioner of patents.
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Spengler, Walter J. In Court of Customs and Patent Appeals, patent appeal no. 4957, in re Walter J. Spengler, Tullio Tognola and Jakob R. Frei, radio shielding means; brief for commissioner of patents.