General Electric Co. v. De Forest Radio Co.

In this court’s holding the process claims valid and infringed I concur. From its holding the product claims invalid I dissent. In view of the importance of the case to the litigants and of the patent principles involved, I record my views at length.

Confronted by the vast amount of testimony in this ease, let me settle what is the actual thing, the issue, these parties are fighting about. It is a tungsten wire. If I bear this tungsten wire in mind it will bring to this suit the same, clear light that wire brought to the electric light art. I squarely face the controversy- when I say that as a…