(February 27, 2019, 1:00 PM EST) -- ALEXANDRIA, Va. — In a Feb. 26 petition for post-grant review (PGR), a grill manufacturer tells the Patent Trial and Appeal Board that a recently granted patent for a mobile app that controls a wood-pellet grill should be canceled (GMG Products LLC v. Traeger Pellet Grills LLC, No. PGR2019-00035, PTAB)....