DENMAN, Circuit Judge.
This is an appeal from a decree dismissing a bill charging infringement of certain claims of two patents. The issues raised by the answer were invalidity by reason of prior public use and noninfringement. The trial court found that of the claims in suit all but four were invalid, and that of the four valid claims none was infringed.
The first patent in suit, Rosener & Doane, No. 1,500,769, describes a machine for wrapping pipe which...
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