Norton v. Haight

The complainant, by this suit, seeks to enjoin the defendants from infringing letters patent No. 209,070, issued to the complainant on the fifteenth day of October, 1878, for an “improve*788ment in paint-cans,” and for an account of profits and damages. The •answer denies that the complainant is the first inventor of the alleged improvement, denies infringement, ^-and justifies under patent No. 225,499, issued to the defendant Francis A. Walsh on the sixteenth day of March, 1880. The" specifications describe the complainant’s invention as follows:

“It is customary to put mixed paints into tin cans…