(September 16, 2016, 9:44 AM EDT) -- ALEXANDRIA, Va. — Several medical device makers on Sept. 15 took aim at a patent that claims a belt connector for electrically connecting an electrode belt to a biometric device, in a new petition for inter partes review filed with the Patent Trial and Appeal Board (Natus Medical Inc., et al., v. Nox Medical EHF, No. IPR2016-01822, PTAB)....