Murray v. Detroit Wire Spring Co.

ANGELL, District Judge.

Complainant is the owner of patent No. 692,535 for an improvement in spring seats. This patent has been fully considered by the Court of Appeals of this circuit in Murray v. D’Arcy, 161 Fed. 352, 88 C. C. A. 364. Defendant owns a later patent, No. 954,331, for a spring seat structure, issued to F. O’Brien, and is manufacturing under it springs for seats. Complainant claims *775that by so doing defendant is infringing its patent. Defendant claims that complainant’s patent is of doubtful validity, but, if the patent is valid, that springs made by it do not infringe.

The spring…