American Roll-Paper Co. v. Knopp

In this case it appears that the roll-paper machine manufactured and sold by defendants is manufactured strictly inaceordancewith the specification and drawings of letters patent of the United States No. 394,121, owned by defendants, and issued to Edward L. Knopp December 4,1888, the application for which was filed September 8,1888, Complainant’s contention is that defendants’ machine embodies substantially the same invention claimed and described in letters patent of the United States No. 409,028, granted to the complainant, as assignee of Leo Ehrlich, on August 13,1889, the application for…