No. 81-2733.

683 F.2d 1061 (1982)

CMI CORPORATION, Plaintiff-Appellant, v. BARBER-GREENE COMPANY, Defendant-Appellee.

United States Court of Appeals, Seventh Circuit.

Decided July 19, 1982.

Attorney(s) appearing for the Case

Drew Neville, Linn Helms Kirk & Burkett, Oklahoma City, Okl., for plaintiff-appellant.

Clarence J. Fleming, McDougall, Hersh & Scott, Chicago, Ill., for defendant-appellee.

Before BAUER and POSNER, Circuit Judges, and LARSON, Senior District Judge.

BAUER, Circuit Judge.

This appeal arises from a dispute over the validity of three CMI patents. The patents describe machines used to repair paved roadway surfaces. All three patents were invalidated in the course of the litigation in the district court. Additionally, the district court found CMI guilty of fraud in the prosecution of one of the patents and awarded Barber-Greene attorney fees incurred in defending the infringement...

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