SIMONS, District Judge.
This is a suit for infringement of two patents, Russell 1,589,986, covering a method of cleaning furnaces, and Russell 1,589,987, covering a process for cleaning furnace casings. The issue in respect to each patent is its validity in the face of alleged anticipation and prior public use. If the patents are valid, claim 3 of the first patent in suit, and both of the claims of the second patent, are clearly infringed.
The first patent...
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