Frick-Gallagher Mfg. Co. v. Rotray Corp.
Court of Appeals for the D.C. Circuit
1Opinion of the Court
RUTLEDGE, Associate Justice.
The suit is for infringement of a patent, of a registered trademark, and for unfair competition, including infringement of a common law trademark. The plaintiff appeals from the trial court’s decree for the defendant on all counts. We think the decree should be affirmed.
I. Plaintiff owns, and alleges defendants have infringed, the Frick patent, No. 2,-*82081,856.1 The evidence may be taken to show infringement. But the trial court held the patent invalid for want of invention, and the first question relates to this ruling.
The alleged invention relates to a device for…
2Cases cited2 opinions
- McGraw-Hill Pub. Co. v. American Aviation Associates, Inc.Court of Appeals for the D.C. Circuit · 1940
- Krause v. CoeCourt of Appeals for the D.C. Circuit · 1941
3Cited by1 opinion
- Standard Cap & Seal Corp. v. CoeCourt of Appeals for the D.C. Circuit · 1941