CHENG FAN KWOK, Petitioner, v. IMMIGRATION AND NATURALIZATION SERVICE, Respondent. CHAN KWAN CHUNG, Petitioner, v. IMMIGRATION AND NATURALIZATION SERVICE, Respondent. Nos. 16005, 16027.United States Court of Appeals, Third Circuit.Argued March 20, 1967. Decided August 4, 1967. Jules E. Coven, Lebenkoff Coven, New York City, for petitioners. Merna B. Marshall, Ass’t U.S. Atty., Philadelphia, Pa., for […]