NIELDS, District Judge.
In this suit Southern Phosphate Corporation, plaintiff, charges Phosphate Recovery Corporation, defendant, with infringement of claims 1, 2, and 3 of U. S. patent No. 1,467,354 to Niels C. Christensen for a "Process of Concentrating Oxidized Ores and Minerals," issued September 11, 1923. The principal defense is noninfringement.
This suit was commenced a few months after defendant had brought a suit in this court (No. 1087) against...
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