Samuel Blatchford, Oregon Improvement Company v. Excelsior Coal Company…
“ To review this judgment the defendant has brought a writ of error. There is a bill of exceptions, which states that the plaintiff read in evidence, without objection, the reissued patent, a copy of the specification of which with the drawings is set forth, and put in other evidence tending to show its right to recover damages; that the defendant, 'to sustain the issues on its part,' offered in evidence a duly-certified copy of the original patent, a copy of which, with the drawings, is set forth ”
