(June 2, 2020, 3:40 PM EDT) -- ALEXANDRIA, Va. — In a May 29 petition for inter partes review (IPR), Medtronic Inc. argues that the Patent Trial and Appeal Board should cancel claims 1-8, 13 and 17-22 of a medical device patent (Medtronic Inc. v. Avanos Medical Sales LLC, No. IPR2020-00895, PTAB)....