Ball v. LanglesAnnotate this Case
102 U.S. 128 (1880)
U.S. Supreme Court
Ball v. Langles, 102 U.S. 128 (1880)
Ball v. Langles
102 U.S. 128
1. Reissued letters patent No. 4026, granted June 14, 1870, to Hosea Ball for a new and useful improvement in ovens, are void inasmuch as they contain new matter, and are for an invention different from that exhibited in the original specification and drawings.
The facts are stated in the opinion of the Court.
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