Marvin Lumber & Cedar Co. v. PPG Industries, Inc.

BOWMAN, Circuit Judge.

Marvin Lumber and Cedar Co. and Marvin Windows of Tennessee, Inc. (collectively “Marvin”) filed a multicount suit against PPG Industries, Inc. (“PPG”). The District Court dismissed several counts and granted summary judgment in favor of PPG on the rest. Marvin appeals, and we affirm in part and reverse in part.

I

The Marvin companies are Minnesota and Tennessee corporations that manufacture and sell custom-made wooden doors, windows, and other construction products. PPG makes and sells, among other things, wood preservatives, primers, and coatings. The dispute here arose…