Supreme Court of the United States March 28, 1938, 608 (Lincoln Engineering Co. v. Stewart-Warner Corp.)

*546

Mr. Justice RobeRts

delivered the opinion of the Court.

The District Court

1

and the Circuit Court of Appeals

2

have held the petitioner guilty of contributory infringement of the Butler Patent No. 1,593,791. We granted certiorari because of alleged conflict with our decision in

Rogers

v.

Alemite Corporation,

reported with

Bassick Manufacturing Co.

v.

Hollingshead Co.,

298 U. S. 415.