Owens v. Bell & Howell Co.

CHASE, Circuit Judge.

On October 25, 1932, United States Patent No. 1,884,169 was granted to the plaintiff who, as the owner, has sued the defendant for infringement of all three of its claims. The patent relates to a photographic camera of the lens turret type and the claims are for improvements in the turret. These improvements, as the specifications show, have to do with the association of a plurality of picture taking lenses of differing focal lengths mounted on the turret with matching view finder lenses also mounted thereon. As a lens used only as a view finder merely enabled the…