JOHNSON, District Judge.
This suit concerns the alleged infringement of letters patent of the United States No. 1,599,266, issued September 7, 1926, to Albertson & Company as assignee of Frans C. Albertson, the applicant. The subjectmatter of the patent is a cutting tool of the reamer class specifically adapted for use as a refacer for valve seats of internal combustion engines.
The defendants are two Pennsylvania corporations located at Millersburg, Dauphin...
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