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DUPLEX ENVELOPE CO. v. DENOMINATIONAL ENVELOPE CO.

No. 3851.

80 F.2d 179 (1935)

DUPLEX ENVELOPE CO., Inc., v. DENOMINATIONAL ENVELOPE CO. et al.

Circuit Court of Appeals, Fourth Circuit.

November 12, 1935.

Attorney(s) appearing for the Case

Theodore S. Kenyon, of New York City (Kenyon & Kenyon and Lewis O. Hutchinson, all of New York City, on the brief), for appellant.

G. Mallet Prevost, of Washington, D. C. (R. E. Cabell and Geo. Lewis Chumbley, both of Richmond, Va., and Prevost & Prevost, George A. Prevost, and Arthur P. Cyr, all of Washington, D. C., on the brief), for appellees.

Before PARKER, NORTHCOTT, and SOPER, Circuit Judges.

SOPER, Circuit Judge.

This suit in equity was brought for infringement of letters patent to Jones and Shomaker, No. 1,855,132 and No. 1,792,642, issued to the plaintiff in the District Court as assignee on April 19, 1932, and February 17, 1931, respectively. The patents relate to automatic devices to be used in the printing of church envelopes, the patent first mentioned disclosing a device for feeding the envelopes in series...

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