(September 22, 2017, 11:47 AM EDT) -- ALEXANDRIA, Va. — On Sept. 20, Sony Corp. asserted before the Patent Trial and Appeal Board that three claims of a patented electronic chassis and housing with an integrated forced air cooling system would have been obvious to a person of skill in the art in light of two prior art references (In re: Sony Corp., No. IPR2017-01961, PTAB)....