MR. JUSTICE SHIRAS, after stating the case, delivered the opinion of the court.
Did the court below err in refusing to instruct the jury to find a verdict for the defendant on the ground that the patent sued on was void for want of novelty?
The defendant put in evidence a number of patents prior in date to the plaintiff's, and asked the court to compare the inventions and devices therein described with those claimed by the plaintiff. No extrinsic evidence...
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