SIBLEY, District Judge.
Here involved are the validity and infringement of claim 1 of United States patent No. 1,225,682 and claims 10, 12, and 13 of United States patent No. 1,447,733, granted to John Schulde and by him assigned to plaintiff. Both patents relate to improvements in showcase refrigerators. The art was old in 1915, when the first patent was applied for. Showcases — that is, transparent containers for the exhibition of goods for sale —...
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