VAN ORSDEL, Associate Justice.
This appeal is from the decision of the Commissioner of Patents, denying patentability of an invention relating to an alleged improvement on high speed water turbine wheels in which the blades are adjustable on pivots, so as to vary the inlet and outlet of the water supplied by the guide wheel.
The alleged invention is expressed in a single claim, as follows: "A runner wheel for high speed turbines provided with guide vanes,...
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