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VANADIUM CORP. OF AMERICA v. MARZALL

No. 10928.

197 F.2d 187 (1952)

VANADIUM CORP. OF AMERICA v. MARZALL.

United States Court of Appeals District of Columbia Circuit.

Decided May 8, 1952.

Attorney(s) appearing for the Case

William H. Webb, Pittsburgh, Pa., of the Bar of the Supreme Court of Pennsylvania, pro hac vice, by special leave of Court, with whom Donald A. Gardiner, Washington, D. C., and Bruce G. Mackey, Pittsburgh, Pa., were on the brief, for appellant.

S. William Cochran, United States Patent Office, Washington, D. C., with whom E. L. Reynolds, Solicitor, United States Patent Office, Washington, D. C., was on the brief, for appellee.

Before PRETTYMAN, FAHY and WASHINGTON, Circuit Judges.

WASHINGTON, Circuit Judge.

This is a suit under R.S. § 4915, 35 U.S. C.A. § 63, seeking to patent a process for the manufacture of the metal manganese by electrolysis. To the established initial steps of the standard processes for producing the electrolytic solution, as disclosed in the patent to Hannay, et al., No. 2,259,418, and in a Bureau of Mines bulletin described as Report of Investigation No. 3406, plaintiff-appellant would add a final step. This...

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