Perkins v. United States Electric Light Co.

The complainant moves for a preliminary injunction upon a bill filed to restrain the defendant from granting licenses or'otherwise using the rights secured by several letters patent for inventions issued to the defendant.

The complainant engaged in the service of the defendant for a term of years at a salary under a written agreement, which, among other things, provided that the defendant should have the option of purchasing such inventions as cpmplainant might make while in defendant’s employ, pertaining to the art of lighting by electricity, at such price as might be agreed upon, or, in case…