INDEPENDENT PNEUMATIC TOOL CO. v. CHICAGO PNEU. T. CO.

Civ. A. No. 47 C 855.

96 F.Supp. 70 (1951)

INDEPENDENT PNEUMATIC TOOL CO. v. CHICAGO PNEUMATIC TOOL CO.

United States District Court N. D. Illinois, E. D.

March 5, 1951.


Attorney(s) appearing for the Case

George N. Hibben and Harry W. Lindsey, Jr., Chicago, Ill., for plaintiff.

Floyd H. Crews and Darby & Darby, New York City, and Loftus, Lucas & Hammand, Chicago, Ill., for defendant.


HOLLY, District Judge.

Plaintiff's complaint asks for a declaratory judgment finding that claim 7 of Fitch patent No. 2,219,865 and claims 6, 8, 14, 18 and 30 of Amtsberg patent No. 2,219,883 are invalid and that said claims of the Fitch and Amtsberg patents have not been infringed by plaintiff.

Defendant in its answer and counterclaim averred that it is the owner of the Amtsberg and Fitch patents, that the patents are valid and that plaintiff was engaged...

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