Cinema Patents Co. v. Columbia Pictures Corp.

WILBUR, Circuit Judge.

This appeal is from a decree dismissing appellant’s bill in equity alleging infringement by appellees of three patents owned *333by appellant. The three patents claimed to have been infringed by appellees are No. 1,177,697 issued April 4, 1916, to Leon Gaumont for certain improvements in developing, fixing, toning, and otherwise treating motion picture films; No. 1,209,-6.96 issued December 26, 1916, to the same patentee for improvements in apparatus for drying motion picture films; and No. 1,260,595 issued March 26, 1918, to Fredrick B. Thompson for improvements in motion…