Palmer v. Corning,
156 U.S. 342 (1895)

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U.S. Supreme Court

Palmer v. Corning, 156 U.S. 342 (1895)

Palmer v. Corning

No. 137

Argued January 8-9, 1895

Decided March 4, 1895

156 U.S. 342


The improvement in sewer gratings patented to Henry W. Clapp by letters patent No. 134,978, dated January 21, 1873, involved no invention.

The case is stated in the opinion.

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