Richard Kieffer v. Weston Land, Inc., a Wyoming Corporation, Defendant/third Party v. Coca-Cola West, Inc., Third Party

LOGAN, Circuit Judge.

Plaintiff Richard Kieffer brought this diversity action seeking damages for injuries he suffered when he received an electrical shock from a vending machine at a restaurant owned by defendant, Weston Land, Inc. 1 A jury found in favor of plaintiff and awarded him $50,000. On appeal defendant argues that the district court erred in (1) allowing plaintiffs electrical expert to testify to an opinion based on speculation and (2) instructing the jury on the doctrine of res ipsa loquitur.

I

Plaintiff worked a delivery route for Metz Baking Company. In May 1992, he was delivering…