Bellis Heat Treating Co. v. Heat-Bath Corp.

ANDERSON, Circuit Judge.

The controlling question in this patent infringement suit is as to the validity of the patents sued upon — No. 1,491,510, issued April 22, 1924, and No. 1,520,744, issued December 30, 1924. The court below (Brewster, J.) held both invalid, in an able and exhaustive opinion, which is in the record, hut unfortunately is not reported. If it had been reported, the ease might well be disposed of by adopting it as the opinion of this court. But we use it freely in stating our conclusions. The appellant, by 24 assignments, challenges Judge Brewster’s findings, as well as his…