May v. Juneau CountyAnnotate this Case
137 U.S. 408 (1890)
U.S. Supreme Court
May v. Juneau County, 137 U.S. 408 (1890)
May v. Juneau County
Argued and submitted November 26, 1890
Decided December 15, 1890
137 U.S. 408
ERROR TO THE CIRCUIT COURT OF THE UNITED
STATES FOR THE WESTERN DISTRICT OF WISCONSIN
The decision in County of Fond du Lac v. May, ante,137 U. S. 395, as to the invalidity of letters patent No. 25,662, granted to Edwin May, October 4, 1859, for an "improvement in the construction of prisons," affirmed.
Want of patentability is a defense to a suit for the infringement of a patent, though not set up in an answer or plea.
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