In Court of Customs and Patent Appeals, patent appeal no. 5671, in re William H. Barrett and Edgar Zimmerman, process and apparatus for preparing color composition; brief for commissioner of patents.
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In Court of Customs and Patent Appeals, patent appeal no. 5671, in re William H. Barrett and Edgar Zimmerman, process and apparatus for preparing color composition; brief for commissioner of patents.
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In Court of Customs and Patent Appeals, patent appeal no. 5671, in re William H. Barrett and Edgar Zimmerman, process and apparatus for preparing color composition; brief for commissioner of patents.