PATTERSON, District Judge.
The plaintiffs brought suit for infringement of patent to Carey, 1,198,326, patented September 12, 1916. Their ownership of the patent and the infringement are not disputed. The sole issue is the validity of the patent, which covers fanfolded forms with isolated spots of transfer material, usually referred to as carbon, on the backs of the leaves.
Fanfolded forms were not originated by Carey. They were familiar long before 1916....
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