WILLSON, District Judge.
This is an action by plaintiff, Alfred E. Hamilton, for money damages and injunctive relief against the defendant, Mid-West Abrasive Company, for infringement of plaintiff's United States Letters Patent No. 2,442,042, issued May 25, 1948. This Hamilton patent covers a grinding apparatus used in the stainless steel industry to grind away scales and surface defects on stainless steel slabs or billets at an intermediate point of production. Plaintiff...
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