Palmer v. CorningAnnotate this Case
156 U.S. 342 (1895)
U.S. Supreme Court
Palmer v. Corning, 156 U.S. 342 (1895)
Palmer v. Corning
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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