MR. JUSTICE CLIFFORD delivered the opinion of the court.
Inventions, in order that the inventors may be entitled to patents for the same, must be new and useful; and the better opinion is, that the improvement must be of such a character that it involved invention to make it, as the Patent Act confers no right to obtain a patent except to a person who has invented or discovered some new and useful art, machine, manufacture, or composition of matter, or some new and...
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