BUFFINGTON, Circuit Judge.
These are appeals from two decrees of the District Court holding claims 5, 7, 9, 13, 17, 18, and 19, of United States Patent No. 1,713,726, valid and infringed.
The main contest below and here is on the validity of the claims in suit. If they are valid, infringement, while not admitted, is rather feebly pressed. The patent, including the claims in issue, is presumptively valid, both as to novelty and utility. Lehnbeuter v. Holthaus...
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