KENNEDY v. GENERAL MOTORS CORPORATION

No. 7457.

99 F.2d 627 (1938)

KENNEDY v. GENERAL MOTORS CORPORATION.

Circuit Court of Appeals, Sixth Circuit.

November 15, 1938.


Attorney(s) appearing for the Case

Russell Wiles, of Chicago, Ill. (Russell Wiles, Horace Dawson, George A. Chritton, Jules L. Brady, and Dyrenforth, Lee, Chritton & Wiles, all of Chicago, Ill., on the brief), for appellant.

Drury W. Cooper, of New York City (Drury W. Cooper, of New York City, E. D. Sewall, of Detroit, Mich., Drury W. Cooper, Jr., of New York City, and Bruce G. Booth, of Detroit, Mich., on the brief), for appellee.

Before HICKS, SIMONS, and HAMILTON, Circuit Judges.


HAMILTON, Circuit Judge.

The judgment appealed from dismissed plaintiff's bill for patent infringement on the ground patent No. 1,514,664, issued to him on November 11, 1924, and which covers a method of making malleable iron, was void for want of invention.

The treatment of certain types of cast iron by prolonged heating, generally in oxidizing surroundings, leads to a profound change in the condition of the carbon. The white iron cast for this purpose is...

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