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In re Spear

20 C.C.P.A. 1227, 1933 CCPA LEXIS 113
Court of Customs and Patent Appeals·Decided February 9, 1933·No. No. 3292·Published

Opinion

Improvement in carbon black.

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In re Spear, 20 C.C.P.A. 1227, 1933 CCPA LEXIS 113 (ccpa 1933).

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