PARKER, Circuit Judge.
This is an appeal in an infringement suit instituted by Sutton, Steele & Steele, the owners of patents 1,073,644 and 1,315,881, covering separating tables and processes of separation, and the American Coal Cleaning Company, licensee under the patents, against the Gulf Smokeless Coal Company. During the hearing of the case, an order was entered making Roberts & Schaefer Company, an Illinois corporation, a party defendant, on the ground...
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