(December 3, 2015, 1:38 PM EST) -- WASHINGTON, D.C. — A patented hospital bed featuring a peer-to-peer communication network is invalid, the Federal Circuit U.S. Court of Appeals ruled Dec. 2 (In re: Hill-Rom Services Inc., No. 15-1305, Fed. Cir.; 2015 U.S. App. LEXIS 20844)....