Engler v. General Electric Co.

Of course two poles were created every time one of the coils of the appellee's armature was energized and these poles were opposite in value as well as opposite each other in space across the armature. That was taken to be self evident. This change in pole values around the circle is what the appellee still argues is an infringing reversal of. polarity in the armature and he insists that we were wrong in saying there was no reversal of polarity anywhere in the appellee’s machine. While we still think it should instead be called, for want of a better term, intermittent polarity, we are not…