AUTOMOTIVE MAINTEN. MACH. CO. v. PRECISION INST. MFG. CO.

No. 8392.

143 F.2d 332 (1944)

AUTOMOTIVE MAINTENANCE MACH. CO. v. PRECISION INSTRUMENT MFG. CO. et al.

Circuit Court of Appeals, Seventh Circuit.

June 26, 1944.


Attorney(s) appearing for the Case

Frank Parker Davis, Harry W. Lindsey, Jr., Raymond E. Fidler, George N. Hibben, and Albert J. Smith, all of Chicago, Ill., for appellant.

Will Freeman, W. P. Bair, and Dayton Ogden, all of Chicago, Ill. (George H. Jirgal and Robert L. Grover, both of Chicago, Ill., of counsel), for defendant-appellee, Snap-On Tools Corporation.

Casper Wm. Ooms, of Chicago, Ill., for defendants-appellees, Precision Company and Kenneth L. Larson.

Before SPARKS and MAJOR, Circuit Judges, and LINDLEY, District Judge.


SPARKS, Circuit Judge.

On June 15, 1942, plaintiff charged Precision Manufacturing Company, Kenneth Larson, and Walter Carlsen with infringement of United States patents to Larson, No. 2,279,792, and to Zimmerman, No. 2,283,888. By amended petition filed November 30, 1942, it further charged infringement of reissue patent No. 22,219 of which patent No. 2,269,503 was the original. These patents were issued, respectively, on...

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