Legal Opinion
Doble Engineering Co. v. Leeds & Northrup Co.
Court of Appeals for the First Circuit
Decided February 13, 1943No. 3775PublishedCited by 15 opinions
1Opinion of the Court
WOODBURY, Circuit Judge.
The Leeds & Northrup Company, hereinafter for convenience referred to as the plaintiff, a Pennsylvania corporation, filed a petition for a declaratory judgment against the Doble Engineering Company, hereinafter referred to as the defendant, a Massachusetts corporation, praying for an adjudication that patent No. 1,945,263, issued on January 30, 1934, to Frank C. Doble and assigned by him to the defendant, is invalid, or, if valid, that- it is not infringed by. certain apparatus manufactured by the plaintiff. The defendant answered and filed a counterclaim alleging…
2Cases cited3 opinions
- Deering v. Winona Harvester WorksSupreme Court of the United States · 1894
- Williams Manufacturing Co. v. United Shoe MacHinery Corp.Supreme Court of the United States · 1942
- Bresnahan v. Tripp Giant Leveller Co.Court of Appeals for the First Circuit · 1900
3Cited by15 opinions
- Herbert Markman and Positek, Inc. v. Westview Instruments, Inc. And Althon Enterprises, Inc.Court of Appeals for the Federal Circuit · 1995
- Autogiro Company of America v. The United StatesUnited States Court of Claims · 1967
- Jack Winter, Inc. v. Koratron Company, Inc.District Court, N.D. California · 1974
- Holland Co. v. American Steel FoundriesCourt of Appeals for the Seventh Circuit · 1951
- Duplan Corporation v. Deering Milliken, Inc.District Court, D. South Carolina · 1973
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