Walker v. Lakewood Engineering Co.

TUTTLE, District Judge.

The Walker patent, No. 1,234,984, in suit, has to do with the final operation in concrete road building. The patent has nothing to do with the machines used, or the methods used, in preparing the concrete for the road, has nothing to do with dumping the concrete in its position along the roadway, and has nothing to do, speaking in a large and general way, with shaping the particular form of the surface of the concrete. That is all done prior to the use of this patented device.. With the old manner of mixing concrete, dumping it in the road, leveling off, and then…