Westinghouse Electric & Mfg. Co. v. Cutter Electrical & Mfg. Co.

ACHESON, Circuit Judge.

This was a suit in equity brought by the Westinghouse Electric & Manufacturing Company against the Cutter Electrical & Manufacturing Company, for infringement by the defendant of letters patent No. 633,772, granted on September 26, 1889, to the complainant, as assignee of Gilbert Wright and Christian Aalborg, the inventors. The invention relates to devices employed for automatically opening electric circuits, when the current passing therethrough is materially in excess of that which the circuit is intended to carry. The specification states the object of the invention…