Weston Mr. Robert M. Duffy, of Weston, died Tuesday, June 5, 2007 in his home. He was 86. Born in Johnstown, Pennsylvania, Mr. Duffy had lived in Weston for many years. He was the owner of the Kraft Power Corporation in Woburn, which was originally the W.A. Kraft Corporation of Boston. Mr. Duffy was a World War II veteran serving with the United States Army Air Corps. He was the son of the late Robert M. and Isadore M. (Kraft) Duffy and the husband of the late Patricia M. (Igoe) Duffy. Mr. Duffy is survived by wife, Joan M. (Theriault) Duffy; his children, R. Michael Duffy and his wife, Jacqueline Guidry, of Kansas City, Missouri, Tina M. Duffy and her husband, Bruce Whitmore, of Weston, Eric P. Duffy and his wife, Karen Bernard, of Gaithersburg, Maryland, and Owen M. Duffy and his wife, Sara Epstein, of Winchester; his stepchildren, Maureen Swetow and her husband, Paul, of Brooklyn New York, Karen Saffery and her husband, James, of Wellesley, Kenan Collins and his wife, Jodi, of Natick, and Matthew Collins and his wife, Shannon, of Carmel, Indiana and 16 grandchildren. Relatives and friends are invited to attend the Funeral Tuesday at 10 a.m. from The Joyce Funeral Home, 245 Main Street (Rte. 20), Waltham followed by a Funeral Mass in Saint Julias Church, 374 Boston Post Road, Weston Center, at 11 a.m. Burial will be in Linwood Cemetery, Weston. Visiting hours will be held Monday from 2 to 4 and 7 to 9 pm. Memorial donations may be made to Wayside Hospice/Parmenter VNA, 266 Cochituate Road, Wayland, MA 01778.