Schneider, Ernst, In Court of Customs and Patent Appeals, patent appeal no. 4954, in re Ernst Schneider, blade propeller for water craft; brief for commissioner of patents.
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Schneider, Ernst, In Court of Customs and Patent Appeals, patent appeal no. 4954, in re Ernst Schneider, blade propeller for water craft; brief for commissioner of patents.
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Schneider, Ernst, In Court of Customs and Patent Appeals, patent appeal no. 4954, in re Ernst Schneider, blade propeller for water craft; brief for commissioner of patents.