DU PONT POWDER CO. v. MASLAND

No. 210.

244 U.S. 100 (1917)

E.I. DU PONT DE NEMOURS POWDER COMPANY ET AL. v. MASLAND ET AL.

Supreme Court of United States.

Decided May 21, 1917.


Attorney(s) appearing for the Case

Mr. Edwin J. Prindle, with whom Mr. Warren H. Small, Mr. John P. Laffey and Mr. Kenneth S. Neal were on the brief, for petitioners.

Mr. George Wharton Pepper, with whom Mr. John G. Johnson and Mr. Frank Smith were on the brief, for respondents.


MR. JUSTICE HOLMES delivered the opinion of the court.

This is a bill to prevent the defendant Walter E. Masland from using or disclosing secret processes the knowledge of which was acquired by the defendant while in the plaintiffs' employ. The defendant admits that he intends to manufacture artificial leather, to which some of the plaintiffs' alleged secret processes relate, but denies that he intends to use any inventions, trade secrets, or secret processes of the...

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