BLACKWOOD COAL ETC. CO. v. PHILADELPHIA & R. COAL ETC. CO.

Citation: 19 CCPA 1227, 58 F.2d 440

Case Date: May 23, 1932

Court: U.S. Court of Customs and Patent Appeals (CCPA)

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BLACKWOOD COAL ETC. CO. v. PHILADELPHIA & R. COAL ETC. CO.

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