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NICHOLS v. SANBORN CO.

No. 3696.

124 F.2d 654 (1942)

NICHOLS et al. v. SANBORN CO.

Circuit Court of Appeals, First Circuit.

January 9, 1942.

Attorney(s) appearing for the Case

Daniel G. Cullen, of Detroit, Mich. (Butzel, Levin & Winston, of Detroit, Mich., and Friedman, Atherton, King & Turner, of Boston, Mass., on the brief), for appellants.

Robert Cushman and William Gates, Jr., both of Boston, Mass. (Roberts, Cushman & Woodberry, of Boston, Mass., on the brief), for appellee.

Before MAGRUDER, MAHONEY, and WOODBURY, Circuit Judges.

MAGRUDER, Circuit Judge.

This is a suit for infringement of two patents. Plaintiffs allege that all the claims of Nichols patent No. 1,647,710 are infringed by defendant's device, called the Sanborn Cardiette, for taking human electrocardiograms. They allege, further, that all the claims of Nichols patent No. 1,888,139 are infringed by an interference eliminator used in and forming part of another machine called a portocardiograph, also manufactured by defendant....

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