KELLER v. CLARK EQUIPMENT CO.

No. 82-2066.

715 F.2d 1280 (1983)

Louis J. KELLER and Cyril N. Keller, Appellees, v. CLARK EQUIPMENT COMPANY, and Clark Equipment, A.G., Appellants. CLARK EQUIPMENT COMPANY, Appellant, v. Louis J. KELLER and Cyril N. Keller, Appellees.

United States Court of Appeals, Eighth Circuit.

Decided August 11, 1983.

Certiorari Denied January 9, 1984.


Attorney(s) appearing for the Case

Herman H. Bains, Malcolm L. Moore, Williamson, Bains, Moore & Hansen, Minneapolis, Minn., for appellees.

John D. Kelly, Nicholas J. Spaeth, Vogel, Brantner, Kelly, Knutson, Weir & Bye, Fargo, N.D., James P. Ryther, McDougall, Hersh & Scott, Fred E. Schulz, Thomas E. Patterson, Wildman, Harrold, Allen & Dixon, Chicago, Ill., Harry G. Thibault, Buchanan, Mich., for appellant Clark Equipment Co.

Before LAY, Chief Judge, HEANEY, Circuit Judge, and RENNER, District Judge.


Certiorari Denied January 9, 1984. See 104 S.Ct. 713.

HEANEY, Circuit Judge.

This case began as a challenge to the validity of three patents covering various aspects of a successful four-wheel loader marketed initially by Melroe Manufacturing Company (Melroe), and subsequently by Clark Equipment Company (Clark), under the trade name "Bobcat." The present appeal involves one of the three patents — a manufacturing...

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