Mealey's (February 20, 2018, 1:34 PM EST) -- WASHINGTON, D.C. — In a Feb. 16 holding, the Federal Circuit U.S. Court of Appeals found that although the Patent Trial and Appeal Board erred in omitting the word “average” from its claim construction of a disputed limitation, the board nonetheless correctly deemed three patents nonobvious over prior art combinations asserted by an appellant (Snap-On Inc. v. Milwaukee Electric Tool Corporation, Nos. 2017-1305, -1306, -1307, -1330, -1331, -1332, Fed. Cir., 2018 U.S. App. LEXIS 3778)....