LINDLEY, District Judge.
Plaintiff, owner of the Wallace and Hand patent No. 2,236,387 applied for May 3, 1938, issued March 25, 1941, appeals from a judgment of invalidity of Claims 1 to 6, 8 to 13, 15 and 16 inclusive. The District Court found that if the claims are valid, defendant infringes.
The patentees claimed "a perspiration inhibiting composition" of a liquid "solution of aluminum sulfate" or, as an alternative, "aluminum chloride," both well known...
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