FARRAH MAFFAI Ryan Steele, 13, of East Brunswick, does a jump at the new East Brunswick Skate Park, unveiled Saturday and dedicated in the memory of Alan Kleinberg, who was co-chairman of the Skate Park Committee. Kleinberg died on Sept. 11, 2001, at the World Trade Center.FARRAH MAFFAI Ryan Steele, 13, of East Brunswick, does a jump at the new East Brunswick Skate Park, unveiled Saturday and dedicated in the memory of Alan Kleinberg, who was co-chairman of the Skate Park Committee. Kleinberg died on Sept. 11, 2001, at the World Trade Center.