Legal Opinion
Heyer Duplicator Co. v. Ditto, Inc.
Court of Appeals for the Seventh Circuit
Decided May 29, 1925No. 3508PublishedCited by 1 opinion
1Opinion of the Court
EVAN A. EVANS, Circuit Judge.
The present suit was brought to enjoin the infringement of claim 42, patent No. 965,887, covering a multiple copying machine. The same claim was before, this court and upheld in 284 F. 242. The sharply controverted issue on that appeal was one of infringement. This court found for patentee. The Supreme Court took the ease on a writ of certiorari, and reversed the judgment. 263 U. S. 100, 44 S. Ct. 31, 68 L. Ed. 189.
Appellee in the present suit, as the holder of the patent, again brings this suit against the same defendant, charging infringement in furnishing the…
2Cases cited5 opinions
- Morgan Envelope Co. v. Albany Perforated Wrapping Paper Co.Supreme Court of the United States · 1894
- Leeds & Catlin Company v. Victor Talking Machine Company (No. 2)Supreme Court of the United States · 1909
- Wilson v. SimpsonSupreme Court of the United States · 1850
- Heyer v. Duplicator Manufacturing Co.Supreme Court of the United States · 1923
- Duplicator Mfg. Co. v. HeyerCourt of Appeals for the Seventh Circuit · 1922
3Cited by1 opinion
- American Patents Development Corp. v. Carbice Corp. of AmericaCourt of Appeals for the Second Circuit · 1930