Decisions. Decisions of commissioner of patents and of United States courts in patent and trade-mark and copyright cases; compiled from v. 378-389 of Official gazette of Patent Office during 1929.
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Decisions. Decisions of commissioner of patents and of United States courts in patent and trade-mark and copyright cases; compiled from v. 378-389 of Official gazette of Patent Office during 1929.
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Decisions. Decisions of commissioner of patents and of United States courts in patent and trade-mark and copyright cases; compiled from v. 378-389 of Official gazette of Patent Office during 1929.