Timothy DIEHL; Rose Diehl, Appellants v. BLAW-KNOX, a/k/a, d/b/a, t/a Blaw-Knox, a division of Ingersoll Rand Corporation; Ingersoll-Rand Corporation; Ingersoll-Rand Company, Construction and Mining; Cooper Industries, Inc.; Funk Manufacturing Company, a/k/a, d/b/a, t/a Funk Manufacturing; Deere & Co, a/k/a, d/b/a, t/a John Deere Corporation.