CUMMINGS, Circuit Judge.
This appeal involves the validity of two patents owned by plaintiff. The trial court concluded that the claims in issue were invalid because their subject matter was obvious within the meaning of Section 103 of the Patent Act (35 U.S.C. § 103). The court also concluded that if the patents were valid, defendant had infringed them.
The plaintiff, T. P. Laboratories, Inc., is located in Westville, Indiana, and produces and sells...
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