Christensen v. Westinghouse Traction Brake Co.
District Court, W.D. Pennsylvania
In Equity. Bill by Niels A. Christensen and another against the Westinghouse Traction Brake Company. On motion by defendant for leave to amend its answer by setting up a counterclaim.
1Opinion of the Court
THOMSON, District Judge.
This is a motion on the part of defendant for leave to amend its answer by setting up a counterclaim of infringement. Suit is brought for infringement of certain patents; one for an improvement in combined pumps and motors, and the other for an improvement in valves for compressors. These patents are owned by the plaintiff Christensen, under which the plaintiff Allis-Chalmers Manufacturing Company has an exclusive license. The defendant now asks leave to bring into the suit, by way of counterclaim, a charge of infringement against the. plaintiffs of its patent for a…
2Cases cited6 opinions
- Electric Boat Co. v. Lake Torpedo Boat Co.District Court, D. New Jersey · 1914
- Marconi Wireless Telegraph Co. of America v. National Electric Signaling Co.District Court, E.D. New York · 1913
- Terry Steam Turbine Co. v. B. F. Sturtevant Co.District Court, D. Massachusetts · 1913
- Atlas Underwear Co. v. Cooper Underwear Co.District Court, E.D. Wisconsin · 1913
- Adamson v. ShalerDistrict Court, E.D. Wisconsin · 1913
1 more not listed; retrieve them via the Exa API.
3Cited by8 opinions
- Victor Talking Mach. Co. v. Brunswick-Balke-Collender Co.District Court, D. Delaware · 1922
- National Brake & Electric Co. v. ChristensenCourt of Appeals for the Seventh Circuit · 1930
- Wire Wheel Corp. of America v. Budd Wheel Co.Court of Appeals for the Fourth Circuit · 1923
- Parker Pen Co. v. Rex Mfg. Co.District Court, D. Rhode Island · 1926
- Westinghouse Traction Brake Co. v. ChristensenCourt of Appeals for the Third Circuit · 1917
3 more not listed; retrieve them via the Exa API.