Consolidated Electric Light Co. v. McKeesport Light Co.

BRAdley, Justice.

This is a bill for the alleged infringement of a patent, filed 'December 8, 1887, and 'the patent alleged to be infringed is dated May 12,1885, and is for improvements in electric lamps. It was granted upon the application of William E. Sawyer and Albon Man, of New York, to their assignees, the Electro Dynamic Light Company, and by mesne assignments was transferred to the complainant, whoso title commenced in October, 1882, before the patent was issued. The application for the patent was filed January«9, 1880, and the issue was delayed by various proceedings in the…