(May 25, 2018, 1:36 PM EDT) -- PHILADELPHIA — Scant evidence of asbestos exposure from three defendants’ products exists, but the evidence rises to a high enough level to deny the summary judgment motions of two other pump makers, a federal judge in Pennsylvania held May 22 (Robert Hedrick, et al. v. A.O. Smith Corp., et al., No. 16-476, E.D. Pa.)....