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CAMPBELL v. SPECTRUM AUTOMATION COMPANY

No. 74-2157.

513 F.2d 932 (1975)

Milford A. CAMPBELL, Plaintiff-Counter-Defendant Appellant, v. SPECTRUM AUTOMATION COMPANY, Defendant-Counter-Plaintiff Appellee.

United States Court of Appeals, Sixth Circuit.

April 17, 1975.

Attorney(s) appearing for the Case

Charles W. Chandler, Livonia, Mich., for plaintiff-counter-defendant appellant.

Robert G. Mentag, Donnelly, Mentag & Harrington, Detroit, Mich., for defendant-counter-plaintiff appellee.

Before PHILLIPS, Chief Judge, and WEICK and MILLER, Circuit Judges.

PHILLIPS, Chief Judge.

Milford A. Campbell, the patentee of United States patent No. 3,002,600, brought this action against Spectrum Automation (Spectrum) for infringement. Spectrum counterclaimed, contending that the patent was invalid and that it therefore could not be infringed. District Judge Cornelia G. Kennedy held the patent to be invalid on a number of grounds. We affirm on one of these grounds — that Campbell was not the inventor of the patent in suit...

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