Mark W. Heckman v. The Federal Press Company, Allen Bradley Company C/o Corporation Trust Company v. Clark Equipment Company, Brown Trailer Division

OPINION OF THE COURT

WEIS, Circuit Judge.

In this products liability case, a jury found that a power press manufactured by defendant without a guarding device was unreasonably dangerous, and awarded plaintiff damages for the injuries he sustained while operating the machine. Although the question of liability was for the jury, the judgment must be vacated because of error in permitting expert testimony that included a “growth factor” in projecting future loss of earnings. Admission of such evidence being impermissible under applicable Pennsylvania law, we grant a new trial.

Plaintiff’s left hand…