COXE, District Judge.
This is an infringement suit involving five patents to Morton relating to electric arc welding. The main patent, No. 1,648,560, was issued November 8, 1927, and covers both a method of electric arc welding and means for its application; and collateral to it is patent No. 1,648,563, issued November 8, 1927, on a division of the application for the main patent, covering relay and clutch mechanism. There are also three subsidiary patents covering...
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