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STERLING ALUMINUM PROD. v. BOHN ALUMINUM & B. CORP.

No. 18847.

187 F.Supp. 879 (1960)

STERLING ALUMINUM PRODUCTS, INC., a corporation, Plaintiff, v. BOHN ALUMINUM AND BRASS CORPORATION, a corporation, Defendant.

United States District Court E. D. Michigan, S. D.

As Amended October 11, 1960.

Attorney(s) appearing for the Case

Alfred E. Wilson, Smith, Wilson, Lewis & McRae, Dearborn, Mich., for plaintiff.

John H. Bruninga, St. Louis, Mo., of counsel.

Rockwell T. Gust, Butzel, Eaman, Long, Gust & Kennedy, Detroit, Mich., for defendant.

Karl B. Lutz, Brown, Critchlow, Flick & Peckham, Pittsburgh, Pa., of counsel.

FREEMAN, District Judge.

This is an action for infringement of Letters Patent No. 2,771,328 issued to W. N. Wainwright, et al., on November 20, 1956, with related claim of unfair competition. Defendant's answer alleges that the patent is invalid, and by way of counterclaim, seeks a declaratory judgment declaring the patent invalid and void in toto.

The patent in issue is for a Piston Ring Groove Protector. According...

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