Dalsell, Charles B. In Court of Customs and Patent Appeals, patent appeal no. 4964, in re Charles Brown Dalzell and Ellsworth Wyman, heat exchange device; memorandum for commissioner of patents in opposition to appellants' petition for reconsideration.
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Dalsell, Charles B. In Court of Customs and Patent Appeals, patent appeal no. 4964, in re Charles Brown Dalzell and Ellsworth Wyman, heat exchange device; memorandum for commissioner of patents in opposition to appellants' petition for reconsideration.
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Dalsell, Charles B. In Court of Customs and Patent Appeals, patent appeal no. 4964, in re Charles Brown Dalzell and Ellsworth Wyman, heat exchange device; memorandum for commissioner of patents in opposition to appellants' petition for reconsideration.