EVANS, Circuit Judge.
This suit was to enjoin the further infringement of claims 1, 3, 4, 5, and 7 of patent No. 1,802,550 issued April 28, 1931, covering a "Material-Handling System." The defenses were invalidity and non-infringement.
The trial court made certain findings and conclusions which narrow the issues to which our attention must be directed. It found that appellee's structure was not an infringement of any of the claims in suit and also found all...
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