Air Reduction Co. v. Carbo-Oxygen Co.

BUFFINGTON, Circuit Judge.

This ease involves the validity and infringement of certain claims of two patents. As to one, No. 959,563, granted May 31, 1910, to Levy and Helbronner for a method for the separation of gases, the finding of the court below was that it was devoid of invention, and further that it was “purely a paper patent, whose application remained long in the Patent Office. It has made no imprint upon the art. As I view it, it is a duplication of Linde’s process and without patentable novelty.” The other patent, No. 957,170, was granted May 3,1910, to the same persons, for the…